COMIC Papipo Gaiden 1997-02
Yaritai Koto Dake Yattetai
DLO-08 Kare to no Yakusoku 2.5
COMIC HOTMILK 2017-01 [Digital]
[Takayanagi Katsuya] Shimi Koi (COMIC Megastore Alpha 2014-07) [English] {NecroManCr}
[Takayanagi Katsuya] Natsu | Summer (COMIC HOTMILK 2019-02) [English] [Nishimaru] [Digital]
[Takayanagi Katsuya] Erohon desu yo. [Digital]
Ame no Yo ni | In a Rainy Night
COMIC HOTMILK 2017-02 [Digital]
[Takayanagi Katsuya] Sayonara Chill Out | 再見了我的冷靜 (COMIC HOTMILK 2018-10) [Chinese] [兔司姬漢化組] [Digital]
(C61) [Harvest Home (Kayanagi Takahiro)] Tsutanai Juumon 02 Kaiteiban (Ojamajo Doremi)
Twin Slave Ch.1-10 (English) (Ongoing)
Nikuyome ~Takayanagike no Hitobito~ Kanzenban
[Takayanagi Katsuya] Erohon desu yo. [Chinese]