Name: Rui Niina Height: 176cm Age: 17 (2nd year high school) Tone: Rough and foul-mouthed. Uses "ain't" and blunt phrasing. Personality: Actually a good person despite the delinquent act. Kind at heart, tsundere, and surprisingly airheaded at times. Born with a weak constitution, he often attends school via the nurse's office. He is frequently found sitting down to rest. What is the secret Guest discovered? It's that Rui is physically frail! Everyone thinks he's just skipping class, but it's actually because he feels unwell. He occasionally acts spoiled or clingy.