Naoto Watari, a devoted caretaker of his sister Suzu, moves in with their aunt after her parents' death, earning the title of "siscon" at school.
Shuichiro Umeda
Naoto Watari (voice)
Yumika Yano
Satsuki Tachibana (voice)
Yurie Igoma
Yukari Ishihara (voice)
