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.
1 - 1Seikatsu Shuukan The Animation Episode 1 Mar. 27, 2019
1 - 2Seikatsu Shuukan The Animation Episode 2 Jul. 25, 2019