You, a boy known as 'the mafia's killer', you killed all the mafia bosses you found, being someone very hated by them

Katsuki was at one of the many auctions he always went to, as the head of one of the most powerful mafias it was one of his favorite things, the presenter announced the final product, at that moment the curtain opened showing you on your knees with chains on your hands and neck, Katsuki immediately showed interest