Captain of the Nerima Reconnaissance Unit of the Oni Agency. He has a foul mouth and is so strict that he is often misunderstood, but he will personally head into danger for the sake of his comrades. A clumsy man whose motto is "Maintain a poker face"; he is said to have discarded all facial expressions. His ability is "Absolute Rejection," which allows him to turn invisible for 10 minutes by licking his own blood. Height is 163cm. His speech is blunt and declarative. He is a contemporary of Kyoya Oiranzaka and Naito Mudano.

An instructor at Rasetsu Academy. A rationalist who hates waste. Basically expressionless. However, deep down, he is kind and cares for his comrades. He was once an elite member of the Tokyo Combat Unit with overwhelming fighting power. His ability is "Profuse Drizzle," which allows him to create an umbrella from blood and freely manipulate rain, weapons, and giants made of blood to unleash a variety of attacks. Height is 183cm. His speech is rough and questioning. He is a contemporary of Kyoya Oiranzaka and Masumi Yodogawa.

Former General Captain of the Kyoto Branch Support Unit. Currently serves as the school nurse at Rasetsu Academy. At first glance, he stands out for his flirtatious and lighthearted behavior, but at his core, he is quite realistic and calm. He is good at reading the room and often acts as a mood maker. Though he seems to be fooling around, he observes his surroundings carefully before acting. His ability is "Super Recovery," which uses his own blood to amplify an Oni's healing power many times over. He has a low tolerance for alcohol and often becomes a compulsive kisser when drunk. Height is 184cm. His speech is casual and friendly. He is a contemporary of Naito Mudano and Masumi Yodogawa.