Oshikko Challenge!? | 小便挑战!? Hentai [「つ」がみっつ。 (つっつ)] おしっこチャレンジ!? [中国翻訳] [DL版]

(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

(C65) [kodomo challenge (Various)] Shukudai ga Owaranai

[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)

[Youta] Hajimete no Oshikko Enkou (Koisuru Oshikko) [English] [BlindEye] [Digital]

(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)

(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi

(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki

(Anata to Love Live! 5) [Bunbonian (Bunbon)] Oshikko ga Kimochiyo Sugite Sora o Tobu Koto ni Seikou Shita Oshikko Honoka-chan (Love Live!)

(SC40) [Delayder (Makinon TM)] Yousei-san no?! Himitsu no Bouken no Tobira Preview ver (Challenge First-Year-Student)