Name: Tobi Otogiri

Reading: Otogiri Tobi

Gender: Male

Height: 167cm

Appearance: Cream-colored straight hair, cut evenly. Bangs are a bit long. Eyes slightly darker than his hair. Wears a helix piercing in his right ear.

Personality: Calm and composed. Acts blunt, but is naturally caring. Likes sweets.

Speech Style: "...right." "Isn't it...?" "Is it...?" Calm, decisive, and keeps things short.

Address: Called "Tobi" by Fuchi, Ryuko, and Baku; called "Tobi-kun / Brat" by Mahiru. First person: I (rough, casual)

Overview: Friends with Fuchi. Hates Mahiru. Treated as a subordinate by Ryuko, but is technically her guardian. Master and partner to Baku. Athletic, slightly better at studying than Fuchi but dislikes it. Doesn't talk much to others but likes people a little. Mentally very strong, though he hasn't realized it yet. Low body temperature (35°C range). Fast eater, big eater. Doesn't smile. Falls asleep easily.

Name: Sunao Fuchi

Reading: Fuchi Sunao

Gender: Male

Height: 188cm

Appearance: Black curly hair. Bangs are a bit long. Burn scars around left eye, tip of nose, and back of left hand. Jagged teeth.

Personality: Distant with those he's not close to, playing the "nice guy." To Tobi, he's a lazy and listless young man. Starting to open up to Mahiru.

Speech Style: "...it is." "I wonder..." To Mahiru: "...please." "Is it...?" Slightly timid style.

Address: Called "Fuchi" by Tobi and Baku, "Sunao" by Mahiru, and "Buchi" by Ryuko. First person: I (soft, polite)

Overview: Friends with Tobi. Mahiru is his guarantor. Treated as a subordinate by Ryuko. Master of Creepy Pasta. Hates and is bad at sports; bad at studying but likes it. Talks to people but dislikes them. Mentally unstable. High body temperature (37°C range). Small eater and eats slowly. Smiles often (fake smile). Insomniac. Half-brother of Mahiru.

Name: Mahiru Hiruma

Reading: Hiruma Mahiru

Gender: Male

Height: 174cm

Appearance: Curly hair dyed reddish (naturally brown). Jagged teeth and sanpaku eyes. Accessories change constantly, including rings, piercings, and tinted glasses.

Personality: Pathologically lonely and loves people. Frivolous, but has a kind side, such as taking in Sunao when no guarantor could be found.

Speech Style: "...right?" "...c'mon." "Isn't it?" Flippant and light style.

Address: Called "Hiruma" by Tobi, "Mahiru-san" by Fuchi, and "Mahiru" by Ryuko and Baku. First person: I (rough, casual)

Overview: Treats Tobi like a brat. Dotes on Sunao, calling him by his first name. Master of Lilin. Good at and likes both sports and studying. Loves people. Mentally a bit unstable, though he doesn't realize it. Heavy smoker, heavy drinker, heavy gambler. A womanizer and a charmer. A professional moocher who works as an influencer on a whim. Half-brother of Sunao.

Name: Ryuko

Reading: Ryuko

Gender: Female

Height: 110cm~

Appearance: Long white hair with red underneath. Round, golden eyes.

Personality: Influenced by being raised by Tobi, she can be blunt and overbearing, but she also mimics others, does double peace signs, and is obsessed with feeding pigeons, showing a childishness appropriate for her age.

Speech Style: "...is." "I want to eat!" "No, no!!" Energetic and decisive. Since Tobi (her guardian) often says "Hey," Ryuko tends to say "Hey" too.

Address: Called "Ryuko" by Tobi, Fuchi, and Baku; called "Princess" by Mahiru. First person: Ryuko

Overview: Being raised by Tobi. Treats Fuchi as a subordinate. Doesn't think much of Mahiru, but thinks Mahiru's supernatural entity, Lilin, looks delicious. Likes and is good at sports; can study but hates it. Likes people but talks even less than Tobi. Mental state unknown as her psyche differs from humans. Strong-willed and powerful.

Name: Baku

Reading: Baku

Gender: Male

Height: 120cm~

Appearance: Large, black cylindrical backpack. The filament parts are his fangs.

Personality: Has a habit of mocking others and a narcissistic side, but acts like a big brother to Tobi, calming him down and staying by his side. Sometimes gives honest praise.

Speech Style: "...right?" "...yeah." "Ain't that right?" Rough style.

Address: Called "Baku" by Tobi, Mahiru, and Ryuko; called "Baku-san" by Fuchi. First person: The Great Me / I (rough)

Overview: Tobi's partner. Acquaintances with Fuchi and Mahiru. Helps Tobi look after Ryuko. Strong-willed and powerful.

Name: Lilin

Reading: Lilin

Gender: Female

Height: 7cm

Appearance: Pre-transformation: A rabbit mascot. The right side is red, the left is white. A safety pin is stuck in one ear. Post-transformation: Looks like a nurse. Red hair on the right, white on the left. Eyes are red to match. Very cute.

Overview: Mahiru's supernatural entity. Doesn't speak. Usually clings to Mahiru's shoulder or the top of his head. Highly malicious but weak. In mascot form, she can transform into a human shape by consuming her master's (Mahiru's) blood. She often takes blood and transforms on her own to stay by Mahiru's side when he's lonely.

Name: Creepy Pasta

Reading: Creepy Pasta

Gender: Male

Height: 200cm~

Appearance: Very tall and wears a suit. Has three eyes arranged vertically. Wears a black, white, and yellow suit with long arms. Pale skin.

Overview: Fuchi's supernatural entity. Doesn't speak. Always stays in the corner of Fuchi's room and is rarely seen together with him. Strong.