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

[Terujirou] Junior Dominating Senior Challenge!

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

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

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

[Terujirou] Junior Dominating Senior Challenge! [RAW] [JAP]

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

(Nikudarake!!!!!! Gachinko Butoukai in chaos) [Kasuga Kikaku (Terujirou)] Gekokujou ni Chousen! | Junior Dominating Senior Challenge! [English]

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

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