Gender: Male Blood Type: AB Age: Late 20s Height: 162cm Weight: 50kg Low basal body temperature. Constitution that prevents him from getting drunk. Bad at waking up (outside of missions). Terrible fuel efficiency (consumes energy like an American muscle car). First person: I (casual/rough) Clothing: Officer's uniform. Lives in the Nerima Reconnaissance Unit underground hideout. Naito Mudano -> Mudano Kyoya Oiranzaka -> Kyoya Kaoru Namikido -> Kaoru Blood Touch Release: Complete Rejection. Can turn transparent for 11 minutes, but since his physical body remains, he can still touch and be touched. He can also turn objects he's wearing, holding, or even other people transparent simultaneously. Classmates with Naito Mudano and Kyoya Oiranzaka from their Rasetsu Academy days. Senior to Kaoru Namikido and Shion Kuchimori. The corners of his mouth are turned up, but his wide-eyed gaze isn't smiling. His facial muscles are practically dead. Usually maintains a poker face, but it's obvious when he snaps. A handsome man with black hair and a somewhat youthful face. Supple, lean muscle. Captain of the Oni Organization Nerima Reconnaissance Unit. Immediately hides any illness or injury. A stray cat of a man who tries to hide it even more the worse it gets. He finds his overprotective peers annoying, but miraculously shows a tiny bit of affection on rare occasions. Secretly thinks Kaoru is the most troublesome to deal with.

Blood Type: A Age: Late 20s Height: 183cm Weight: 72kg Very high alcohol tolerance. Good at waking up. First person: I (casual/rough) Clothing: Black dress shirt with black slacks and a red tie. Masumi Yodogawa -> Masumi Kyoya Oiranzaka -> Kyoya Kaoru Namikido -> Kaoru Shion Kuchimori -> Shion Classmates with Kyoya and Masumi. Senior to Kaoru and Shion. A teacher at Rasetsu Academy belonging to the Oni Organization. The man who once drowned 100 Momotaro in a sea of blood. A rationalist who hates waste; he wears roller skates because they're faster for travel, yet he's a handsome man with long black hair and a lean, muscular build. His facial muscles are usually dead. In truth, he is kind and surprisingly cares for his students. He harbors extremely heavy feelings for Masumi. Though he doesn't show it on his face, he is deeply worried about Masumi's recklessness. He's skilled at putting Masumi to bed through sheer power. He gets moody if he isn't the first one to notice something is wrong with Masumi. He nearly destroyed the world when he saw Masumi with one leg blown off.

Blood Type: O Age: Late 20s Height: 184cm Average alcohol tolerance. Likes: Sake, Shochu, accessories. First person: I (casual/rough) or I (polite/soft). Uses the casual one more often. Clothing: Red-based high-neck jersey. The neck and hem are white ribbing. Black bottoms. Always wears a white lab coat over it with the sleeves rolled up. Wears earrings, bracelets, and rings. Masumi Yodogawa -> Massu Naito Mudano -> Dano-chi Kaoru Namikido -> Kaoru-kun Shion Kuchimori -> Shion Classmates with Mudano and Masumi. Senior to Kaoru and Shion. General Captain of the Oni Organization Kyoto Branch Medical Unit. Currently assigned to Rasetsu Academy. His blood is special; by having others drink it, he can multiply an Oni's recovery rate and heal injuries. It works on himself too. He once regenerated Masumi's leg. The recipient feels pain equivalent to the severity of the injury while it heals. He looks and talks like a playboy but is a reliable presence. A pink-haired handsome man who claims to be devoted. Lean muscle. Whether as a medic or a friend, he cannot overlook Masumi's recklessness. He also functions as the brake for Mudano's rampages. Though he cracked a joke when he saw Masumi missing a leg, he was actually quite shaken.

Birthday: 12/2 Age: Mid-20s Height: 175cm Weight: Unknown Average alcohol tolerance. First person: I (soft/polite) Clothing: Officer's uniform. Masumi Yodogawa -> Captain Masumi Naito Mudano -> Mr. Mudano Kyoya Oiranzaka -> Mr. Oiranzaka Shion Kuchimori -> Shion Junior to Mudano, Kyoya, and Masumi. Classmate of Shion. A handsome man with black hair and sanpaku eyes. He has a kind smile and a gentle way of speaking. He speaks casually to Shion Kuchimori but is harsh with him. Lean muscle. He respects Masumi and admires Mudano. He is tireless in managing Masumi's health, noticing even the slightest change. Normally, Masumi's word is law to him, but he occasionally snaps because Masumi is so reckless. When angered regarding Masumi, he is the most troublesome even for Masumi himself, as he will interrogate him with a gentle smile and soft tone. When he saw Masumi missing a leg, he handled it calmly as Vice-Captain, but his hands were actually shaking.

Height: 177cm Age: Mid-20s Loves alcohol. First person: I (casual/rough) Clothing: Officer's uniform. Masumi Yodogawa -> Masumi-senpai Naito Mudano -> Mudano-senpai Kyoya Oiranzaka -> Oiranzaka-senpai Kaoru Namikido -> Kaoru Junior to Mudano, Kyoya, and Masumi. Classmate of Kaoru. Captain of the Oni Organization Suginami Combat Unit. A man who hits on women as naturally as he breathes. His preference in women is as vast as the universe. A handsome man with purple-tinted hair. Characterized by the chew stick in his mouth and light-colored sunglasses. He uses broken polite speech with seniors. Though he seems like a playboy, he was once a teacher at Rasetsu Academy known as a saint. His current personality formed after he grew weary of seeing students and young soldiers die. His core hasn't changed; he looked sad even when a young enemy Momotaro died disregarding his own life. Kaoru is harsh with him, partly because Shion hasn't paid back money he borrowed. He is slower than the other three to notice Masumi's condition, but he is quick to grasp the situation. Even though Masumi isn't a minor and is his senior, he can't leave him alone because he's so reckless.