King of Prism by Pretty Rhythm (Sub)

The story takes after Kaizaki Arata, a 27-year-old jobless man, who comes up short at each prospective employee meet-up he had subsequent to stopping his last organization. His life changes after he met Yoake Ryou of the ReLife Research Institute, who offered him a medication that can change his appearance to 17-years of age and to wind up a subject in an examination for one year. In this way, he starts his life as a secondary school understudy afresh.

Alternate name:  KING OF PRISM by PrettyRhythm
Year Released: 2016