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

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

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

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

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