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

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

Kawakami Sensei to Futaba no Himitsu Kojin Jugyou | Una lección privada y secreta con Futaba y Kawakami-sensei

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

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

[SOLEX (Various)] Mineral Mugi Cha (Kodomo no Omocha)

Kodomo de Challenge 2

(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)

P5 Futaba book