Tougo Narutaki

Tougo Narutaki first appears as the martial arts instructor who guided Tatsuma Hiyuu into Magami Academy. He later resurfaces as the cold, commanding leader of the assassin group Martial Fist, having also trained Kureha Mibu. While he initially seems like an antagonist, he is revealed to be a crucial force acting as a familiar spirit that drives the story forward. Eventually, he returns to lead the organization alongside the new protagonists. Narutaki shares a history with Genma Hiyuu, with whom he developed a unique martial art form.