Spare Key
[Korosuke] Yamikinn Onna Ga Ochita Saki - Asoko No Naka Made Shaburare Tsukusu [Zouryoubann]2
Key Hole
Splash - Key
(C76) [Alem Gakan (Kirishima Satoshi)] Majutsushi no Kagi -The Wizard's Key
Oshiri nara Tsumi ni Naranai Rashii!
[Neko Irazu (Hinoki)] DUPLICATE KEY (Senki Zesshou Symphogear) [English] [potocat] [2015-08-22]
Gunjou Noise ~Shokaiban~
Hitori Ecchi ni Rival o! | Having Sex With The Rival
[Go Fujimoto] The Fated Key [Eng]
Kasou Douwa wa Kiken ga Ippai!? IF Boromake Bad End Hen
Hime Hajime
(C87) [Key Trash (Hikagi Tatsuhiko)] RINGBELL01 (side-B)
(C68) [KEY TRASH (Hikagi Tatsuhiko)] Suzu no Onkai
COMIC Kairakuten 2017-01
[Okachimentaiko Seisakushitsu, ALPS (Various)] Okachimentaiko Key-gou (Various)
Anata no Tame nara - i would do anything for you
Kasou Douwa wa Kiken ga Ippai!? Yumemi Gachi na Shoujo Hen 1
COMIC Kairakuten 2015-07
[Key] Yuuwaku (COMIC Kairakuten 2018-12) [Chinese] [Digital]
[Pierre Yoshio] Spare Key Party! [ENG]
(COMIC1☆2) [KEY TRASH (Hikagi Tatsuhiko)] Suzu no Annei [English]
COMIC Kairakuten 2015-03
Fukanzen Marble - An immature marble
嬌声調教合宿
[KEY TRASH (Hikagi Tatsuhiko)] Jiyuu Time (Higurashi no naku koro ni)
COMIC Kairakuten 2019-09
COMIC Kairakuten 2015-01
[KEY TRASH (Hikagi Tatsuhiko)] Wild Princess (GA Geijutsuka Art Design Class)
Key Mystic Undercover Ch. 1
Kasou Douwa wa Kiken ga Ippai!? Yumemi Gachi na Shoujo Hen 2
[Key] Gunjou Noise-Tsuujouban- [Digital]
(C72) [KEY TRASH (Hikagi Tatsuhiko)] Suzu no Enkai (RINGBELLSERIES Soushuuhen)
COMIC Kairakuten 2014-09
[Yajirushi Key (Meito)] Kasou Douwa wa Kiken ga Ippai!? Yumemi Gachi na Shoujo Hen 2 [Digital]
[key] Continue (COMIC Kairakuten 2015-03) [Chinese] [無邪気漢化組]
Key Mystic Undercover Ch. 1-2
Kanon Visual Fan Book
[Yajirushi Key (Meito)] Kasou Douwa wa Kiken ga Ippai!? Yumemi Gachi na Shoujo Hen 1 [Digital]
コミケ97おまけ本
COMIC Kairakuten 2017-09
The Secret Key
COMIC Kairakuten 2016-10
Kasou Douwa wa Kiken ga Ippai!? Yumemi Gachi na Shoujo Hen 3
[Key] Hikage no Uta (COMIC Kairakuten 2018-04) [Chinese] [無邪気漢化組] [Digital]
(C75) [KEY TRASH, unaji-mir (Hikagi Tatsuhiko, unaji)] waste trash & Suzu no Makanai (Various)
(C70) [Watsukiya (Watsuki Ayamo)] Watsukiya no Hon Soushuuhen 3 (KEY)
[AZALEA (Yumiyuki)] KEY (TIGER & BUNNY) [Digital]
Inma-tachi no Yuugi
We Love Homunculus
COMIC Kairakuten 2018-12 [Digital]
COMIC Kairakuten 2016-08
[Torichamaru] Semen Exploiter (TSF M ~ Seitenkan Bishoujo ni Semerare Zecchou ~ Digital Ban Vol. 1) [Chinese] [Uncle A个人汉化] [Digital]
(C74) [KEY TRASH (Hikagi Tatsuhiko)] Suzu no Konmei
Kanon Fanbook
[Alpha] Moeoh Selection - alpha rhythm - Alpha Gashuu [Incomplete]
[Hikagi Tatsuhiko] Nemureru Mori no Usagi | Sleeping Beauty Bunny (COMIC LO 2008-07) [English]
Spare Key 1