- I ♥ HS (completed)
- I Accept You (completed)
- I Am a Child of This House
- I Am a Great God
- I Am a Hero
- I Am a Piano (completed)
- I Am Currently Living with a Bear (completed)
- I Am My Wife
- I Am Not a Goddess
- I Am The Sorcerer King
- I Await Your Reply (completed)
- I Began A New Game
- I Can't Even Breathe Without You (completed)
- I can't say "I like you" (completed)
- I Can't Tell Anyone
- I Can't Wait Until Tomorrow Comes! (completed)
- I Cant Sleep Alone (completed)
- I Cant Wait Until Tomorrow Comes! (completed)
- I Care About You
- I Do I Do (completed)
- I Girl
- I got stuck in real life, so it's okay to get addicted to an MMO, right?
- I Have a Mansion In The Post-Apocalyptic World
- I Like a Beautiful Guy
- I Like Beautiful Guy
- I Love Her (completed)
- I Love HS (completed)
- I Love My Sister's Boyfriend (completed)
- I Love You (HANATSU Yaya)
- I Love You Baby
- I Love You Until the End of the World (completed)
- I Love You, Vampire
- I Love Yu!
- I Say A Little Prayer (completed)
- I say, sink of Dark (completed)
- I Shall Seal the Heavens
- I Shaved. Then I Brought a High School Girl Home.
- I Shoujo
- I The Female Robot
- I Want to Be Naughty! (completed)
- I Want to Feed Yumin
- I Want to Lock You Up (completed)
- I Want You (completed)
- I Was Told To Relinquish My Fiancé To My Little Sister, And The Greatest Dragon Took A Liking To Me And Unbelievably Took Over The Kingdom
- I Was Trash
- I Will Be Cinderella
- I Wish (completed)
- I Wish... (completed)
- I Won't Let You Become a Star! (completed)
- I Won't Say I Love You Anymore (completed)
- I-Ren
- I-Revo
- I, My, Me (completed)
- I.N.V.U.
- I.O.N (completed)
- I''s (completed)
- I'll (Generation Basket)
- I'm a Fake NPC
- I'm a Loser
- I'm a royal tutor in my sister's dress
- I'm at End of Your Sight
- I'm Destined For Greatness!
- I'm Here (completed)
- I'm Looking for the Princess (completed)
- I'm Not a Villainess!! Just Because I Can Control Darkness Doesn’t Mean I’m a Bad Person!
- I'm not Spy
- I'm the Demon King! (completed)
- I'm With Her
- I’ve Been Killing Slimes for 300 Years and Maxed Out My Level
- I"S (completed)
- Ib - 10 Nengo Mousou (Doujinshi)
- Ib - 4-koma Compilation (Doujinshi)
- Ib - 5 Nengo Mousou (Doujinshi) (completed)
- Ib - Ao Meikyuu no Ou (Doujinshi)
- Ib - Arigatou (Doujinshi) (completed)
- Ib - Gary ni Yuuenchi ni Tsuretette Moratta yo (Doujinshi) (completed)
- Ib - Goaisatsu Manga (Doujinshi) (completed)
- Ib - Halloween (Doujinshi) (completed)
- Ib - Ib saves Mary (Doujinshi) (completed)
- Ib - Ib to Gary-san no Himitsu (Doujinshi) (completed)
- Ib - Ib-chan ga Gary-san ni ChuChu Shiteru Dake no Hanashi (Doujinshi) (completed)
- ib - Instant Bullet
- Ib - Kanojo ni mo, (Doujinshi) (completed)
- Ib - Kimi ga Asobi ni Kite Imasu (Doujinshi) (completed)
- Ib - Mary-san no Loop Sekai (Doujinshi) (completed)
- Ib - Nan Yakan ya de Mendoumi ga Ii Gary-san (Doujinshi) (completed)
- Ib - Nanimnai Heya (Doujinshi) (completed)
- Ib - Otomari Manga (Doujinshi) (completed)
- Ib - Staying ・5 Nengo vr (Doujinshi) (completed)
- Ib - Uchi de Mattari (Doujinshi) (completed)
- Ib - イヴギャリイヴ (Doujinshi) (completed)
- Ibara no Kanmuri
- Ibara no Majutsushi (completed)
- Ibara no Okite (completed)
- Ibara no Ou (completed)
- Iberiko Buta to Koi to Tsubaki
- Ibitsu (completed)
- Ibitsu na Hoshi no Katachi
- Ibitsu na Kakera (completed)
- Icaro (completed)
- Ice Eagle Fire Hawk
- Ice Forest
- Ice Ice Baby
- Ice Kiss (completed)
- Ice no Oto
- Ice on Fire (completed)
- Ice Revolution
- Ichatsuki Taino (completed)
- Ichi (completed)
- Ichi (YAMAMOTO Hideo) (completed)
- Ichi the Killer (completed)
- Ichiba Kurogane wa Kasegitai
- Ichiban Ushiro no Daimaou
- Ichiban!
- Ichiban!!! (completed)
- Ichigeki Sacchu!! Hoihoi-san (completed)
- Ichigo 100% (completed)
- Ichigo and Chocolate (completed)
- Ichigo Channel (completed)
- Ichigo Jikan (completed)
- Ichigo Mashimaro
- Ichigo no Gakkou (completed)
- Ichigo no Houseki (completed)
- Ichigo no Kiss Kiss (completed)
- Ichigo no Yume - Shimatsuya Risuke no Kaii Jikenchou (completed)
- Ichigo to Anzu
- Ichigo to Chocolate
- Ichihime Ninja (completed)
- Ichikyuu (completed)
- Ichiman Pound No Hanamuko
- Ichinen no Koi wa Gantan ni Ari (completed)
- Ichinensei ni Nacchattara
- Ichirei Shite, Kiss
- Ichiro Heian!
- Ichiroh! (completed)
- Ichiya dake no Princess (completed)
- Id
- ID - The Greatest Fusion Fantasy
- Idea no Hana
- Idejuu!
- Idol A
- Idol Clubs
- Idol ga Maiban Heya ni Shinnyuu Shitekuru (completed)
- Idol no Akahon (completed)
- Idol Paradise
- Idol Pretender
- Idol Shopping (completed)
- Idol wa xxxx Nante Shimasen!
- Idol-sama no Okiniiri (completed)
- Idol-sama no Yoru no Okao
- Idolm@ster Cinderella Girls Shuffle!! (completed)
- Idolm@ster Dearly Stars: Innocent Blue
- Idolmaster Dearly Stars: Neue Green
- Ie no Naka no S na Koto
- If the World Ends, Thats Cool!
- If U
- Ignite
- Ignite Wedge
- Iguana No Musume
- Igyoujin Oniwakamaru (completed)
- Ii Hito (completed)
- Iigakari Neesan
- Iiki no Ki
- Iinari Princess
- Iinari! Aibration
- Iinari!! Kyuuketsuhime
- Iinazuke Kyoutei
- Iinazuke Ryokan (completed)
- Iincho
- Iincho Is Otokonoko
- Iinchou no Himegoto (completed)
- Ijigen kara no Tayori (completed)
- Ijippari Love Panic (completed)
- Ijippari Yuugitai! (completed)
- Ijiwaru na Aitsu (completed)
- Ijiwaru na Hito
- Ijiwaru na Kuchizuke
- Ijiwaru Shinaide (completed)
- Ijousha no Ai
- Ikaryaku
- Ikasama Umigame no Soup (completed)
- Ike Ike Sakura
- Ike! Danshi Koukou Engekibu
- Ikemen Paradise
- Ikemen-kun to Saenai-kun (completed)
- Ikenai Ezuke Keikaku
- Ikenai Hokenshitsu
- Ikenai Navigation
- Ikenai Otoko (completed)
- Ikenai Sensei (completed)
- Ikenai Teacher Iketeru Darling
- Ikenai Teacher, Iketeru Darling (completed)
- Ikenie no Koiwazurai
- Iketeru Futari
- Iketeru Police
- Ikezu Kareshi no Otoshikata
- Ikigami
- Ikinari Osananajimi
- Ikinari Seitoukai (completed)
- Ikiru (completed)
- Ikka Ryaku
- Ikkitousen
- Ikkyu
- Ikoku Irokoi Romantan (completed)
- Ikoku Meiro no Alice-chan
- Ikoku Meiro no Croisée
- Ikoku no Doctor
- Ikoku Shoujo To Sumire No Hanataba
- Ikujinashi no Shiawase (completed)
- Ikumen After
- Ikumen datte Koishimasu.
- Ikura Nandemo Suki Sugiru (completed)
- Ikusa no Ko - Oda Saburou Nobunaga Den
- Ikusaba Animation
- Ilegenes (completed)
- Ilegenes - Giyoku no Koukyoukyoku
- Ill (completed)
- Illegal Rare
- Illumination (completed)
- Illusion
- Illusory Flower, Evening Moon
- Iloha
- Ilya
- Im At End of Your Sight
- Im Kagome
- Im Looking For The Princess (completed)
- Im Not Spy
- Ima wa Tooi Natsu
- Imadoki (completed)
- Imadoki! (completed)
- Image Change Manual - Love Version
- Imamade Kore Kara
- Imasugu Oniichan ni Imouto Datte Iitai! (completed)
- Imawa no Kuni no Alice
- Imawabi no Dakini
- Imitation (completed)
- Imitation Love
- Immature Earthling Friend
- Immortal Hounds
- Immortal Merchant
- Immortal Rain
- Immortal Regis (completed)
- Immortal, Invincible
- IMMOTE (completed)
- Imokami-sama
- Imori 201
- Imouto - Akane
- Imouto ga Americajin!?
- Imouto Loveru
- Imouto wa Shishunki
- Impatiens (completed)
- Imperial Academy
- Improper Capture Method of Classmates & Labyrinth
- In Bura! (completed)
- In Dream World (completed)
- In Full Bloom
- In Full Bloom Yon Jae Won
- In Sickness (completed)
- In the Afternoon... (completed)
- In the Chocolate (completed)
- In the Mirror of Death (completed)
- In-Training (completed)
- Inaba of the Moon & Inaba of the Earth (completed)
- Inaba Rabbits
- Inakami
- Inari, Konkon, Koi Iroha
- Inazuma Eleven
- Incandescent Moon
- Incomparable Demon King
- Indépendent
- Indestructible Primordial Spirit
- Indian Summer (completed)
- Indigo Blue (completed)
- Infection
- Inferior Doll (completed)
- Inferno
- Inferno (RURU)
- Infinite 20 Minutes (completed)
- Infinite Blade
- Infinite Stratos (completed)
- Infinite Stratos - BOOST ON!! (Doujinshi) (completed)
- Infinite Stratos - Chifuyu-Nee Only: Do Whatever You Want! (Doujinshi) (completed)
- Infinite Stratos - Chifuyu-Nee Only: Feminism (Doujinshi) (completed)
- Infinite Stratos - Chifuyu-Nee Only: In the Name of Justice (Doujinshi) (completed)
- Infinite Stratos - Disparity Show (Doujinshi) (completed)
- Infinite Stratos - Hungry Wolf (Doujinshi) (completed)
- Infinite Stratos - HYPER∞XTREME (Doujinshi) (completed)
- Infinite Stratos - Ice (Doujinshi) (completed)
- Infinite Stratos - Indigo Algorithm:REMASTER ~ Quantum Mechanics Rainbow (Doujinshi) (completed)
- Infinite Stratos - Infinite Stratos Book Direct From The Warehouse (Artbook) (completed)
- Infinite Stratos - Infinite Strike (Doujinshi)
- Infinite Stratos - Official Anthology Comic
- Infinite Stratos - Orbital (Doujinshi) (completed)
- Infinite Stratos - Our Extracurricular Lesson! (Doujinshi) (completed)
- Infinite Stratos - Sharlotte (Doujinshi) (completed)
- Infinite Stratos - Straight Lovers (Doujinshi) (completed)
- Infinite Stratos - Sugar & Honey (completed)
- Infinite Stratos - SUPER∞XTREME (Doujinshi) (completed)
- Infinite Stratos - The Little Brother of My Teacher Cant Be This Cute (Doujinshi) (completed)
- Infinite Stratos - While I Get Employed... (Doujinshi) (completed)
- Infinite Stratos - Ze, Zettai ni Sukitte Iwaserundakarane, Baka! (Doujinshi) (completed)
- Infinite Stratos (YUUKI Homura)
- Infinity Game
- Ingenuo (completed)
- Ingoshima
- inGrid
- Initial D
- Initial Experience
- Injak
- Inner Revolution (completed)
- Innocent (SAKAMOTO Shinichi)
- Innocent Bird
- Innocent Blue (completed)
- Innocent Devil
- Innocent Maze (completed)
- Innocent World (completed)
- Innocents Shounen Juujigun
- Ino-Head Gargoyle
- Inochi
- Inochi Mijikashi, Koi seyo Furyou Shounen!
- Inoribana (completed)
- Inorihime wa Sora ni Warau
- Inou Battle wa Nichijoukei no Naka de
- Inso's Law
- Insomnia
- Intel Senpai
- Interface (completed)
- Interu Senpai
- Interval (completed)
- Interval Zero
- Into the Net!
- Inu Catalog
- Inu Jikan
- Inu mo Arukeba Fallin' Love (completed)
- Inu Neko Jump (completed)
- Inu o Kau (completed)
- Inu to Hasami wa Tsukaiyou
- Inu to Kami-sama (completed)
- Inu to no Hibi (completed)
- Inu wo Kau
- Inu Yashiki
- Inubaka
- Inugami (completed)
- Inugami-san to Nekoyama-san
- Inugami-san to Sarutobi-kun wa Naka ga Warui.
- Inugamihime ni Kuchizuke
- Inugamihime no Shimobe
- Inukami!
- Inumarudashi
- Inumimi (completed)
- Inuneko.
- Inuyasha (completed)
- Invader wa Ai wo Idaku
- Inverted Patema: Another Side
- Invincible High School Girl (completed)
- Invincible Yeonbyeongeol
- Invoke (completed)
- Inzak
- IO (completed)
- ION
- Ipaasha (completed)
- Ipheion (completed)
- Ippo
- Iris Zero
- Iriya no Sora, UFO no Natsu
- Iro Otoko
- Iroha ni Ai o (completed)
- Irokoi Comedy (completed)
- Irome
- Iron Knight
- Iron Ladies
- Iron Wok Jan
- Iron Wok Jan!
- Iruka-chan Yoroshiku
- IS
- IS - Otoko demo Onna demo Nai Sei
- IS - Sugar & Honey
- IS dj - Sensei no Otouto ga Konna ni Kawaii Wakeganai (completed)
- IS dj - Sharlotte (completed)
- IS Infinite Stratos (completed)
- Is It Okay to Touch Mino-San There?
- Is this Love?
- Is Your Dog Safe Now? (completed)
- IS! (completed)
- Isagi-Kojima (completed)
- Isekai de -Kuro no Iyashi Te- tte Yobarete Imasu
- Isekai de Kojiin wo Hiraitakedo, nazeka Darehitori Sudatou to Shinai Ken
- Isekai de Skill wo Kaitai shitara Cheat na Yome ga Zoushoku Shimashita: Gainen Kousa no Structure
- Isekai Death Game ni Tensou sarete Tsurai
- Isekai Demo Bunan ni Ikitai Shoukougun
- Isekai Ekisha no Kissaten
- Isekai Kenkokuki
- Isekai Mahou wa Okureteru!
- Isekai Maou to Shoukan Shoujo Dorei Majutsu
- Isekai Meikyuu de Harem o
- Isekai ni Kita Mitai Dakedo Ikanisureba Yoi no Darou
- Isekai ni Tensei Shitara Zenra ni Sareta
- Isekai ni Tobasareta Ossan wa Doko e Iku?
- Isekai no Seikishi Monogatari
- Isekai Nonbiri Nouka
- Isekai Omotenashi Gohan
- Isekai Ryouridou
- Isekai Shihai no Skill Taker: Zero kara Hajimeru Dorei Harem
- Isekai Shoukan wa Nidome Desu
- Isekai Tensei Soudouki
- Isekai wo Seigyo Mahou de Kirihirake!
- Isekai Yakkyoku
- Isekai Yururi Kikou: Kosodateshinagara Boukensha Shimasu
- Ishiguro Masakazu's Kyoufu Tanpen
- Island (completed)
- Island (KOMI Naoshi) (completed)
- ism i
- ism/i
- Isoganaide (completed)
- Issho na Dakejya (completed)
- Issho ni Gohan. - Takitate!
- Issho ni Kaero. (MOMOI Sumire) (completed)
- Issho ni Kuraro
- Issho ni Neyou yo (completed)
- Isshoni Ofuro (completed)
- Isshou Asonde Kurashitai (completed)
- Isshou Tsuzukerarenai Shigoto
- Isshun No Tsuki (completed)
- Isshunsaki wa Koi (completed)
- Isshuukan Friends.
- Isuca
- It Really Really Really Really is a Lion!
- It Started With a Kiss
- It's a One-Point Match with Chouko! (completed)
- It's Love
- It's My Life
- It's Not Like That, Darling (completed)
- It's Not My Fault That My Friend's Not Popular
- It's Only Love
- It's Summer! There's Fireworks! And for Boys, a Yuakata! (completed)
- It's Two People
- It’s Not My Fault That I’m Not Popular!
- It’s Too Hard to Chase the Tsundere Prince
- Itadaki!
- Itadaki! (FUMIZUKI Kou)
- Itaitashii Love (completed)
- Itazura - Ijiwaru Tenshi (completed)
- Itazura na Kiss
- Itazura Ouji (completed)
- Ito Junji's Cat Diary
- Ito Junjis Cat Diary (completed)
- Itoko Doushi (completed)
- Itokoi Chidori (completed)
- Itoshi Kingyo
- Itoshi no Goshujinsama
- Itoshi no Kana
- Itoshi no Karin
- Itoshi no Nina
- Itoshi o Tome - Kimi ga Kokoro wa (completed)
- Itoshii Akuma (completed)
- Itoshii, to Iu Koto (completed)
- Itoshiki Bodyguard (completed)
- Itoshikute Nikui Hito (completed)
- Itou Junji Kyoufu Manga Collection (completed)
- Itou Junji No Neko Nikki: Yon & Mu
- Itou-san
- Its a One-Point Match with Chouko! (completed)
- Its Love (completed)
- Itsudatte My Santa (completed)
- Itsudatte My Santa! (completed)
- Itsuka Kimitachi mo Otona ni Naru
- Itsuka Koi ga Kanau Made (completed)
- Itsuka no Tsuki de Aimashou (completed)
- Itsuka Tenma no Kuro Usagi
- Itsuka Tenma no Kuro Usagi Koukouhen: Kurenai Gakkou no Seitokaishitsu
- Itsuka Tomodachi ja Nakunaru to Shite mo
- Itsuka Yume no Naka de (completed)
- Itsukasei Metsubou Syndrome
- Itsumo Ame
- Itsumo Misora (completed)
- Itsutsu no Hako no Monogatari
- Itsuwari No Kekkonyubiwa
- Itsuwaribito Utsuho
- Itsuya-san
- Itto Vorspiel
- Iwaihime
- IWGP Denshi no Hoshi
- Ixion Saga ED
- Iya da nante Iwasenai
- Iya x Shite (completed)
- Iya yo Yamete yo
- Iyahaya Nantomo
- Izanaeru (completed)
- Izayakaku
- Izayoi no Hitomi
- Izo's Lover!
- Izoraba!
- Izure Shinwa no Houkago Sensou