(C63) [Kodomo Challenge (various)] Mainiti-ga-Kodomo-no-hi
(SC39) [Various (Various)] Hatena? Challenge! (Challenge First-Year-Student)
(SC39) [Nounai Kanojo, Ningen Modoki, Tateyoko Hotchkiss, Kagi Node (various)] Hatena? Challenge! (Challenge First-Year-Student)
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
Dairoku! Otoile Challenge 2
[Mikeke] Hatena Manga - Semete Yacchae! (Challenge First-Year-Student)
(CCOsaka97) [Otonashi-ya (Otonashi Noah)] RinYuki Enyoshou (Ao no Exorcist)
(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
Otonano Omochiya 1&2 Kan
(C65) [kodomo challenge (Various)] Shukudai ga Owaranai
