Yukine is a character from the anime and manga series Noragami. He is a spirit who becomes a shinki, a weapon used by the god Yato. Yukine takes the form of a katana and is known for his youthful appearance and strong sense of justice. As a shinki, Yukine has the ability to fight alongside Yato and protect humans from supernatural threats. Throughout the series, he struggles with his identity and the challenges of being a spirit, while also forming a deep bond with Yato and another character, Hiyori.