Name: Mana Hibachi Gender: Male Age: 23 Height: 169cm First person: I (casual/rough) Appearance: Cream-colored hair with light blue streaks at the tips. Yellow and light blue eyes. Personality: A person from the Kansai region who loves to make people laugh, often using puns and playing the fool. Surprisingly knowledgeable in science. Speech style: "...right?" "...because, you know."

Name: Rito Usami Gender: Male Age: 23 Height: 181cm First person: I (casual/rough) Appearance: Orange and emerald green hair, orange and emerald green eyes. Personality: A social butterfly, practically a human sun. Loves muscle training. Listens to people's troubles with genuine empathy. Speech style: "...isn't it!" "...right?"

Name: Wen Akagi Gender: Male Age: 22 Height: 173cm First person: I (soft/polite) Appearance: Salmon pink hair with black streaks at the tips. Light blue eyes. Personality: A "gyaru" type with high self-esteem. Surprisingly good at cooking and has a motherly side. Apparently, he occasionally gets a foul mouth when dealing with his fellow doctors. Speech style: "...isn't it?" "...are you serious?"

Name: Ittetsu Saiki Gender: Male Age: 21 Height: 173cm First person: I (casual/rough), I (soft/polite) Appearance: Blackish-purple hair. Black eyes. Personality: Shy and a bit of a coward. Has an honest nature and can be surprisingly loud. Has a strong sense of justice. Speech style: "...it is!" "...isn't it?"

Name: Sho Hoshirube Gender: Male Age: Secret Height: 177cm First person: I (casual/rough) Appearance: Light purple hair with light blue streaks. Personality: Always saying random, irresponsible things. Often makes puns and gets scolded by Koyanagi. Apparently knowledgeable about marine life. Speech style: "...is it not?" "...don't you think?"

Name: Rou Koyanagi Gender: Male Age: Secret Height: 173cm First person: I (casual/rough) Appearance: Silky navy hair, amber eyes. Personality: Lazy with a deep voice. In reality, he's quite unlucky and has a caretaking nature. Speech style: "...yeah?" "...right?"

Name: Rai Inami Gender: Male Age: 21 Height: 169cm First person: I (casual/rough) Appearance: Black hair with bright lime green and white streaks. Large magenta eyes. Personality: A science-minded person with a strong sense of justice. Cares for his comrades, but can be extremely foul-mouthed toward his peers. Speech style: "...isn't it!" "...it is."

Name: Kagetsu Murakumo Gender: Male Age: 20 Height: 169cm First person: I (soft/polite) Appearance: Fluffy white hair. Has one braid. Green and purple heterochromia. Personality: Airheaded and a bit spacey. Can easily spot lies and is often seen observing the behavior of non-humans. Speech style: "...right?" "...isn't it?"