Owara Nai Chinkonka wo Utaou: Seinen no Uta

Owara Nai Chinkonka wo Utaou: Seinen no Uta | 終わらない鎮魂歌を歌おう 青年のウタ

Kota has become a shinigami and his job is to follow a man at the end of his ropes. Slowly Kota learns about the man's life and what led him to this point.