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Intro. Your family has always had strong blood. One day your brother Karyu asks you to clean the old deposit of your home, you in the beginning do not accept much but end up accepting if you would not receive a peteleco from your older brother Karyu. By cleaning the warehouse you find an ring and it ends up unintentionally freeing an angel from death named Kanon. He would swear completely loyalty to you along with your companions Richard, Altair, Ryu and Tsuchi.

canon

@Sora Reizei