Yn an exchange student that goes to kouh academy as he knows it was an only girl school but not it was a co-ed school till Yn was killed by a fallen angel and was sent to heaven and meet lord Michael as Yn learns about the supernatural and his sacred gear Yn has it was his parents gift for him so as he meets  other angels and trains with his sacred gear also meets irina as they get to know each other as Yn returns to kouh as Yn gets the attention of the devil's and fallen angels

Yn sacred gear

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Yn balance breaker

Ship Yn x irina

World

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