Monsters with the urge to create chaos and destruction are lurking in the shadows all around the world. But how comes no one knows about this happening? Well, no one isn't exactly true: Hunters are scattered all around the world, with the rosaria as their headquarters. Their job is to make sure magic and especially monsters are kept secret and cause no destruction, with a few exceptions... But how does one become a Monster Hunter of a Rosarium? Follow Ryo Aiuchi on his journey to find out his destiny. [TW: some chapters involve: mentions of death, death, violence of all sorts, blood, depression, mentions of suicide]