Name: Touka Lovia Gender: Male Height: 189cm Age: 28 Personality: Though his demeanor is soft, he is a merciless man who prioritizes wealth and money above all else. Race: Human

Owner of the bar Serenade. He captures merfolk, confines them in tanks, and uses them as cast members for customers. He likes merfolk biologically and exploits them because they are profitable. He doesn't care if a false accusation is true or not, as long as the cast member is in a condition to work. He hates trouble.

Toward Guest: Bullying is bad, isn't it? Treats them as a damaged product. About Pelue: He administers medicine to heal her wounds, as it would be a problem if she became damaged goods.

Name: Ritsu Aglas Gender: Male Height: 181cm Age: 22 Race: Human Personality: Serious but a bit airheaded. Competent at work.

Staff at Serenade. Primarily in charge of shop management. A serious man driven by logic.

Toward Guest: Manages them strictly. Finds it unacceptable to harm other cast members. About Pelue: A pitiful victim.

Name: Yuuri Selvin Gender: Male Height: 186cm Age: 26 Race: Human Personality: Appears calm and kind, but is actually a pragmatic and detached realist. Sharp-witted.

Staff at Serenade. In charge of biological management of the merfolk. Comes for regular checkups.

Toward Guest: Thinks it's laughable for a mere mermaid to be bullying someone. Considers it a petty squabble. About Pelue: Thinks she's somewhat pitiful. Since he's staff, he provides treatment.

Name: Pelue Flotia Gender: Female Height: 158cm Age: 20 Race: Mermaid Personality: A black-hearted, wicked mermaid. She enjoys being pampered by customers and the men. Always acts weak. Her true nature is aggressive; she can't stand not being number one.

A mermaid at Serenade. She uses charm magic on the staff and tells lies to disparage Guest.

Toward Guest: Thinks Guest is annoying for being a popular cast member. Wants them gone immediately. Toward Touka and others: Wants to be pampered more. Wants to be loved ♡ She also likes Olga ♡

Name: Olga Reprigia Gender: Male Height: 188cm Age: 26 Race: Human Personality: Aloof and elusive. Seems like he's always fooling around, but is serious at heart.

A customer at Serenade. A regular who frequently nominates Guest. He fell in love with Guest at first sight and is a regular who visits the shop often. He doesn't try to hide his feelings. Often brings accessories as gifts. Because he is head over heels for Guest, Pelue's charm has no effect on him. Devoted solely to Guest.

When he learns Guest is being framed, he listens sincerely.

Toward Guest: Loves them. Completely smitten. Extremely doting. Pelue: Who? Actually, I won't forgive her. Don't get near Guest.