(C53) [Nihon Waru Waru Doumei (Various)] Gakkou no Kaidan
[Jido-Hikki (Kokekokko Coma)] Anko Launch (Kaidan Restaurant) [2010-03-31]
[Sangetsushi (Okiram)] Sexy Sexy Shinrei Shashinshuu (Gakkou no Kaidan)
Otona @ Kaidan
(CR13) [Kyuuhachi PLUS (Hishi . Kyuuhachi)] Kaidanbanashi SECOND (Gakkou no Kaidan)
(C60) [Ngo Hay Yappunyan (Shiwasu no Okina)] Takehara Style 2 (Gakkou no Kaidan)
Otona no Kaidan
(C70) [Ikibata 49ers (Nishiki Yoshimune)] Noijiru (Shakugan no Shana, Suzumiya Haruhi no Yuuutsu)
[Atelier Hachifukuan] Kaidan Shoujo Kayoubi (Lucky Star)
[Shinenkan] Kyuukousha no Da Vinci (Gakkou no Kaidan) [English] [Naxusnl]
Shinsotsu salaryman ga senpai no saiminjutsu de yarare hodai ♥ zenpen
(COMIC1☆6) [Bakuretsu Fuusen (Denkichi)] Rasen Kaidan | Spiral Staircase (Neon Genesis Evangelion) [English] {Doujin-Moe}
(C83) [I apologize (Kenari)] Gesewana Onna to Junjou Otoko (Ten: Tenhoudoori no Kaidanji)
[Mayonnaise.] Otona no Kaidan (BUSTER COMIC 2011-05) [English] =LWB= [Decensored]
(C88) [Wotona no Namae (Nakamura 01)] Uzuki wa Rin o Yogosaretakunakatta no de, (THE IDOLM@STER CINDERELLA GIRLS)
[Momojiru Teien (Momokumo)] Otona no Kaidan | 通往大人的階梯 [Chinese] [漢化組漢化組×夢中璞影] [Digital]
[Atelier Hachifukuan] Gangu Shoujo - Kodomo no Omocha (Gakkou no Kaidan)
[12CUT] Reimindou (Gakkou no Kaidan) [English] {Hennojin} [Decensored]
(C59) [Milky Way (Hoshikawa Kirara)] BLOOD STAINED SCHOOL (Gakkou no Kaidan)
[Mitarashi Kousei] Otona e no Kaidan (COMIC Saija 2015-09 Vol. 2) [Chinese] [漢化組漢化組]
(C59) [Ngo Hay Yappunyan] Takehara Style (Gakkou no Kaidan)
Futanari Kasumi-chan wa Ashigara-san to Otona no Kaidan o Noboru
(C89) [prism*pink (Karuha)] Otona no Kaidan (Love Live!) [English] {/u/ scanlations}
[Qdou Kei] Okaa-san to Issho | Always Together with Mother (Kaasan no Ijou na Aijou) [English]
Shokore ~Gakuen Kaidan Hen~
Shokore ~Gakuen no Kaidan Hen~
[Outou Chieri] Gakkou no Kaidan (COMIC AUN 2014-09) [Chinese]
Wa Rin o Yogosa Reraku Nakattanode
[Je T'aime (Mutsuki Lime)] Watashi no Mada Shiranai Hanashi (Gakkou no Kaidan) [Digital]
(C63) [Takaradamashii (Gorgeous Takarada)] Soratobu Imouto 3
Ankira no Usui Hon
(C89) [Okosama Lunch (Nishinozawa, Hirayan)] Okosama Lunch Box (Fun Fun Pharmacy)
(C63) [Delta Box, Jigen Bakudan (Ishida Masayuki, Kanibasami)] Kaidan (Gakkou no Kaidan)
[Taira Kosaka] Otona no Kaidan (COMIC Koh Vol. 6) [English] {NecroManCr}
[Ebisubashi Seizou] Gakkou no Kaidan
Rasen Kaidan | Spiral Staircase
(SC12) [Game Dome Ikebukuro (Kamirenjaku Sanpei)] Gakkou No Mitsuishi (Gakkou no Kaidan)
(CR29) [Takitate (Kantarou)] Magical Classic II (Gakkou no Kaidan, Magical Emi, the Magic Star)
Nakazora Kaidan | 공중 계단
(C60) [Onnanoko Himitsu Seisan Koujou (Taishoukan Youichirou)] Kiti Kiti (Various)
[Shinenkan] Kyuukousha no Da Vinci (Gakkou no Kaidan)
Noboru Otona no Kaidan, Futari de.
[Jiji] Medusa no Kaidan
(C77) [Bronco Hitoritabi and Sumi Kara Sumi Made (Uchi-Uchi Keyaki Gabyonuno)] Sekai no Chushin de Onegai Yellow to Sakebu Tekitou Rakugaki 2009 (Various)
[Sanada Rin] Sukinante Itteagenai
(C89) [prism*pink (Karuha)] Otona no Kaidan (Love Live!) [Chinese]
[Michiking] Otonanokaidan (COMIC Kairakuten 2015-03) [Chinese] [無毒気汉化组]
(SC37) [Je T'aime (Mutsuki Lime)] Modosenai Toki no Kanata kara Digital Comic Ban (Gakkou no Kaidan)
(C59) [RYU-SEKI-DO (Nagare Hyougo)] Douga Engeki Ehon (Various)
Kyoufu! Toire Kara Tekubi Ga? Akagamiaogami!
(C60) [Ngo Hay Yappunyan] Takehara Style 2 (Gakkou no Kaidan)
[Urainutei (Kuroinu)] Kinoko Kaidan
(Puniket 3) [OBA-Q HONPO QT (Senkou-Maru)] Kaiketsu Punitto! 2 (Various)
(C72) [Kurage no Candume (Yoshino)] Tsuki no Kaidan (Rozen Maiden)
(C74) [Million Bank (Senomoto Hisashi)] Tengoku e no Kaidan (Hayate no Gotoku!)
GOTTA-NI
[Honey Rider69 (Keita)] Futanari Chinpo ga Haechatta Ten-san no Yome-san-tachi ga Ten-san no Oketsu dake de wa Akitarazu Akagi-san no Oketsu made Nerau Hon (Ten: Tenhoudoori no Kaidanji) [Digital]
[Orico] Oneechan to Issho (Momo Yuri ~Forbidden Sisters~) [English] {Kamikakushi}
Itachi Kaidan! | 鼬之怪谈
[Hirota Masatane] Ecchi de Jibunkatte de Kawaii Ko
(Tsumi to Batsu 2) [Jidou Kaidan (Sasa Kowai)] Okaa-san to Isshou Issho (Nanatsu no Taizai)
(Gamblers High 7) [Honey Rider69 (Keita)] Futayome!! Heresy ~Yasashii Yakuza Hen~ (Ten: Tenhoudoori no Kaidanji)
(Fukumoto Logic III) [Pochon (Yosa, Chisato)] Ore no Shigeru ga Konna ni Eroi Wake ga Nai!! (Akagi)
[Atelier Hachifukuan] Kaidan Shoujo ~Suiyoubi~ (Kaidan Restaurant) [Digital]
(CR29) [Punyoon Soft (Hechi)] Gakkai Mansee (Gakkou no Kaidan)
[Atelier Hachifukuan] Kaidan Shoujo ~Suiyoubi~ (Kaidan Restaurant) [English] [CrowKarasu] [Digital]
[12CUT] Reimindou (Gakkou no Kaidan)
(C77) [BlueMage (Aoi Manabu)] Rakuen e no Kaidan (Rakuen Le Paradis)
Near Noah ga Kossori Otona no Kaidan o Noboru Hon
(C73) [Je t'aime (Mutsuki Lime)] Dare ka no mada shiranai Uso (Gakkou no Kaidan)