This is the official character theme song of Yukine from Noragami. It is one of my お気に入り character tributes overall, and it is performed によって Yuki Kaji, his voice actor.
This song stopped me from suicide back in elementary school. It is an alternative rock ballad performed によって the band "Three Days Grace", または simply TDG または 3DG. To this day, it is my お気に入り song ever.