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

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

Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan

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

[Abubu] Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan (Girls und Panzer)

Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan

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

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

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

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