Itsuka, Hîrô
いつか、ヒーロー
Seiji Akayama was an employee working at a children's home. Twenty years ago, Akayama suddenly disappears and returns after 20 years to find his former students completely different without the hopes and dreams they used to have. Seiji decides to reconnect with his students who have given up on this world, and stands up against a huge corrupted authority.