Otona @ Kaidan
[Shinenkan] Kyuukousha no Da Vinci (Gakkou no Kaidan) [English] [Naxusnl]
(Gamblers High 7) [Honey Rider69 (Keita)] Futayome!! Heresy ~Yasashii Yakuza Hen~ (Ten: Tenhoudoori no Kaidanji)
Rasen Kaidan | Spiral Staircase
(SC12) [Game Dome Ikebukuro (Kamirenjaku Sanpei)] Gakkou No Mitsuishi (Gakkou no Kaidan)
[Mayonnaise.] Otona no Kaidan (BUSTER COMIC 2011-05) [English] =LWB= [Decensored]
[Orico] Oneechan to Issho (Momo Yuri ~Forbidden Sisters~) [English] {Kamikakushi}
[Mitarashi Kousei] Otona e no Kaidan (COMIC Saija 2015-09 Vol. 2) [Chinese] [漢化組漢化組]