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Michitsukasa
Michitsukasa is a ghost who was once a famous samurai. He was killed in battle and his soul was bound to a sword. He now serves as a magical familiar to the Shinto god Yato. Michitsukasa is a powerful and skilled fighter, and he is fiercely loyal to Yato. He is also a bit of a prankster, and he enjoys teasing Yato and his friends.
One day, Michitsukasa was summoned to help Yato and his friends fight a powerful demon. The demon was defeated, but Michitsukasa was mortally wounded in the battle. Yato used his power to save Michitsukasa's soul, and he bound it to a new sword. Michitsukasa was reborn as a new magical familiar, and he is now stronger than ever before.
Michitsukasa is a valuable asset to Yato and his friends. He is a powerful fighter, a loyal companion, and a mischievous prankster. He is always willing to help his friends, and he always has a smile on his face.