(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
[Hara] Misaki-chan no Lotion Challenge
[Sumomo Dou (Sumomo EX)] Gyuuniku Shoujo to Joshidaisei Lotion | Beef Girls and College Girl Lotion [English] [J99814] [Digital]
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
Lotion Hamakaze
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
