Rough sketch of Shuuichi, Akiko's best friend

Rough sketch of Kaichiro Nanno, captain of the school basketball team

Rough sketch of Haruko's brother Shuntarou, a motor bike enthusiast and martial arts trainer

Used in Act II

Used in Act II

Character design sketch for Captain Sylvester

Rough sketch for Miss Hayashi, a friendly teacher

Rough sketch for Asami Yamazaki, Haruko's classmate