Arata Kaizaki (27) has ceased working since graduation in just three months. After that, his life didn’t go right. Now his parents are threatening to stop sending money and want him back to the country. He doesn’t have a friend or girlfriend to share his problems with when he hits the rock bottom of a mysterious guy named Ryo Yoake. Yoake invites Kaizaki to join a social therapy service for NEETs called ReLife. This program uses a mystery medication to make him look younger and take him back to high school for a year.