(C82) [Circle Ohigetan (Ohigetan)] Ohigebon-32 Classmate Manko Note 7-kame Joukan Taiiku no Jugyou no Ato Classmate no Onnanoko-tachi ni Onnanoko ya Ase no Nioi de Munmun Muremure no Joshi Kouishitsu e Shoutai Saremashita
(C81) [Shiritsu Sakuranbo Shougakkou (Misooden)] Crossover - Kodomo no Himitsu x Houkago Nyannyan Club
[Anthology] Taiiku no Ojikan (Various)
(Yumeiro ★ Symphony Osaka) [Tsumarimashita, confetti. (Tsumumi, Yukihiro)] Houkago Sequence (Ensemble Stars!)
Tanoshii Hoken Taiiku | Happy Sex Education
Moshimo Danshikou no Hoken Taiiku ga Jitsugi Ari Dattara | If Boy's Health and PhysEd Taught Practical Skills
[Kuguri Oimo] Mohitotsu Himitsu no Houkago | One More After-School Secret (COMIC Mugen Tensei 2018-06) [English] [Redlantern] [Digital]
[Benjamin] Houkago wa Inma
[Ishizuchi Ginko] Rental Ojisan Case: Akiyama Akari (Houkago Hamekatsu Diary) [Digital] [English] [Decensored] [Redlantern]
[Shinsen Gokuraku (Shuragyoku Mami)] Seifuku Mania-san Niyoru Onnanoko no Tame no Hoken Taiiku Kyouiku (Tales of the Abyss)
[Mutou Mato] Yuudachi Houkago (COMIC LO 2014-09) [English]
[Narusawa Kei] Houkago no Sangatsu Usagi-tachi Chapter 3 [English]
Hoken no Sensei ni Delicate na Onayami Soudan Shitara Karada de Osowaru Koto ni Natta Hanashi
[Narita Kyousha] Houkago Made Mate Nai - Can't Wait 'til After School
[John K. Pe-ta] Houkago Barabara Jiken | I Fall to Pieces - Mutilate Fuck at the After School (COMIC KURiBERON 2018-08) [English] [MisterJ167+Naoko] [Digital]
[BlueMonday (Shinozaki Rei)] Play (Houkago Play) [English] [Chocolate + LWB] [Digital]
(Shota Collection 2) [Houkago Paradise (Sasorigatame)] Takuya Kyun Gokkun Seishibori!! (Digimon Frontier)
Taiiku Souko de Himitsu no Ecchi!! -Bitch ni miete... Jitsu wa Shojo!? Ch.1
[Tuna Empire] Houkago Dorei Club +1
[Hara Shigeyuki] PanSto Hoken Keiyaku (COMIC Shigekiteki SQUIRT!! Vol. 24) [Chinese] [Digital]
(COMIC1☆9) [KORISUYA (Korisu)] Houkago no Shinnyuusha
(C90) [Triple Pinch! (Hikami Izuto)] Houkago no Nioi
(brilliant days 4) [Koneko Gumi (Poron)] Ni~chan to Bouchama ga Hoken Shitsu de Nakayoshi Suru Hon (Ensemble Stars!)
Rena-chan to Taiiku Kyoushi
[KSS (JOY RIDE) (LIBIDO)] Koi no Harmony -Houkago Renai Club CG & original drawing collection- (Casual Romance Club)
Hoken no Sensei Kashima-san
[Maru] Houkago no Recreation. [Incomplete]
[Tsumugi Kyuuta] Neo Bondage Love ~Shounen no Houkago~ Vol. 2