Seikatsu Shuukan The Animation

TV series · 28m per ep

Starring Maki Tsuchiya, Juri Nagatsuma, Hiromi Igarashi, Rin Mitaka

Shuntarou's younger sisters - Ayaka, Chiaki and Fuyuno - are very mean to him, so he wishes he had a gentle older sister. Then some mysterious game seems to make him younger.