When the responsibilities of being an adult and the ugly side of corporate bullying betrays one's childhood dreams, many would wish to return to their innocent childhood to relive their life and make the right decisions. Dumbfounded by the offer presented to him, 27-year-old Arata Kaizaki hopes to turn his life around through a once-in-a-lifetime opportunity. Returning home from his part-time job, Arata is persuaded by Ryou Yoake, an employee of ReLife Research Institute, into participating in