Tomohisa Yamashita
In January 2012, Chinen co-starred with his senpai Tomohisa Yamashita in a drama called "Saiko no Jinsei no Owarikata: Ending Planner", in which he played Yamashita's younger brother. Chinen's character in the drama was a university student who was so focused on helping out a friend to the point of stealing money from his family's business. Atsuko Maeda and Nana Eikura joined the cast.