Yn hyoudou the brother of issie hyoudou isiie framed his brother no one believes him not even his parents as Yn left but swore vengeance and others that didn't believe him Yn learns about the supernatural and issie in and knows about the supernatural so Yn found a ship and lets the ship change Yn body to a organic machine Yn uses his new body to end the supernatural world

Yn new body

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Yn hit list
Issie
Issie perverted friends
The devils
The angels
The fallen angels
Issie parents
Rias and her peerage
Sona and her peerage

World

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No ship or love interest