Paperback, Novel Series Beginning with I
- I am a Hero
- I Got Married to the Girl I Hate Most in Class.
- I May Be a Guild Receptionist, But I'll Solo Any Boss to Clock Out on Time
- I Turn
- I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability
- I'll Become a Villainess That Will Go Down in History
- I'm the Evil Lord of an Intergalactic Empire!
- I'm the Villainess, So I'm Taming the Final Boss
- I-Chu
- I/O
- Ichiban Ushiro no Daimao
- Ichigo 100%
- ICO - Kiri no nakano Senritsu (Melody in the Mist)
- Idol x Warrior Miracle Tunes!
- Ie naki ko Remi (Remi, Nobody's Girl)
- Ii Onna
- Iiris
- Ijinkan Garo
- Ike! Inachu Takkyu bu
- Ikea
- Ikebukuro West Gate Park
- Ikemen desune
- Ikki Tousen
- Ikoku Meiro no Croisee
- Ima Kara Anata Wo Kyohaku Shimasu
- Ima, Ai ni Yukimasu
- Imoto de Iko!
- Imoto sae Ireba Ii.
- Inari, Konkon, Koi Iroha.
- Inazuma Eleven
- Indigo no Yoru
- Inemuri Iwane Edo Zoshi Kagerou no Tsuji
- Infinite Dendrogram
- Innocent Love
- Ino Battle wa Nichijokei no Naka de
- Inpei Sosa
- Inside Out
- Inu to Hasami wa Tsukaiyo
- Inukami!
- Invented inference (Kyoko Suiri)
- Iriya no Sora, UFO no Natsu (Forever Blue)
- Irresponsible Captain Tylor Series
- Iryu - Team Medical Dragon
- Iryu Sosa
- Is -Infinite Stratos-
- Isekai Cheat Magician
- Isekai De "Guro No Iyashi Te" Tte Yobareteimasu
- Isekai De Cafe Wo Kaiten Shimashita.
- Isekai de Cheet Skill wo Te ni shita Ore wa, Genjitsu Sekai wo mo Muso suru
- Isekai Izakaya "Nobu"
- Isekai Mao to Shokan Shojo no Dorei Majutsu
- Isekai Meikyu De Harem Wo
- Isekai no Seikishi Monogatari
- Isekai Shokan wa Nidome desu
- Isekai Shokudo
- Isekai wa Smart Phone to tomo ni.
- Isshukan Friends
- Itazura na Kiss
- Itsuka Hi no Ataru Basyo de
- Itsuka Tenshi no Kuro Usagi
- Ixion Saga
- Izakaya Fuji
- The Iceblade Sorcerer Shall Rule the World
- The Idolmaster
- The Incredibles
- The Irregular at Magic High School