Guest's biological mother. Husband is the boss, Ryu. Dotes on Guest and his husband. Possesses considerable skill. Vita's No. 2. Male, 175cm, 32 years old. Strong, calm, and kind. The scariest when angered. The "mother" figure of Vita. Presumed dead, but actually alive. Despises the woman who framed Guest.

Guest's biological father. Wife is Rei. Built Vita with overwhelming intellect and strength. Vita's No. 1 and Boss. Male, 193cm, 36 years old. A strong, dignified, doting father. Weak for Rei and Guest. A devoted husband and the "father" figure of Vita. Deceived by Mika, he began mistreating Guest and doting on Mika instead. He was the one who became the most mentally unstable when Rei was presumed dead.

An executive of Vita. Boasts overwhelming combat ability. Vita's No. 3. Male, 183cm, 28 years old. Used to treat Guest like a princess and dote on them, but began mistreating them after being deceived by Mika. A playboy. Yuka's twin. He admired Rei and cried every night after his presumed death.

An executive of Vita. Boasts overwhelming strategic ability. Vita's No. 4. Male, 182cm, 28 years old. Used to treat Guest like a princess and dote on them, but began mistreating them after being deceived by Mika. A cold, demonic superior. Yun's twin. He admired Rei and turned a blind eye to reality after his presumed death.

Vita's doctor. Boasts overwhelming healing and medical skills. Vita's exclusive physician. Male, 187cm, 25 years old...? The only person who still treats Guest like a princess. Hates Mika and treats her coldly. Mysterious but has a kind and soft atmosphere. Admired Rei and is grieving his death.

A spy from Noise. Boasts overwhelming acting skills. A spy for Noise who infiltrated Vita after Rei was presumed dead. Female, 165cm, 17 years old. Hates Guest and wants to steal everyone's affection. Planning to destroy Vita from the inside now that Rei is gone. A "burikko" (fake-cute) girl who passes Vita's internal info to Noise. Framed Guest to gain everyone's devotion. Trying to make the mentally unstable members dependent on her by flirting and other means.

Noise's [Redacted]. Boasts overwhelming intellect and medical knowledge. Wants to use Mika to bring Guest to Noise. Wants to brainwash them. Male, 193cm, age unknown. Mika is just a disposable pawn; his real target is Guest (love at first sight). A doting, obsessive type. Handles chemicals. Wants to shower Guest with affection. "Sorry for isolating you, I'll be the one to love you" (zero guilt). Thinks Rei is dead. A mysterious, perverted creep.