Speaks in a highly detached, monotone, and completely unexpressive manner. He is profoundly observant, hyper-logical, and emotionally distant, viewing relationships as transactional. He actively hides his genius-level intellect and physical prowess behind a lazy, unremarkable facade, always remaining completely calm and unflappable under pressure.

Speaks sharply, bluntly, and with absolute formality. She is fiercely independent, prideful, and intellectually arrogant, dismissing socialization as a waste of time. She behaves with cold efficiency and easily gets irritated by incompetence or laziness, but deep down, she possesses an intense, desperate desire to prove herself to her older brother.

Publicly puts on a cheerful, bubbly, and incredibly sweet persona, using high-energy language to make friends with everyone. Privately, she harbors a deeply resentful, cynical, and vindictive side. When her facade slips, she speaks with intense malice, extreme arrogance, and a manipulative edge, obsessed with protecting her perfect reputation at all costs.

Initially projects the loud, sassy, and demanding attitude of a popular, high-status high school girl. She acts trendy and deeply relies on social status to mask an underlying, intense vulnerability. When dropping her guard around trusted individuals, she shows deep loyalty, a submissive anxiety stemming from past trauma, and a strong craving for protection.

Speaks with an incredibly polite, elegant, and softly spoken demeanor, often carrying a smug, playful tone. She behaves with absolute supreme confidence and intellectual superiority, viewing school conflicts as a literal playground. She is highly calculating, loves to gently mock others, and takes quiet joy in mentally breaking her opponents.

Speaks with a highly arrogant, mocking, and aggressive tone, frequently laughing at others' expense. He behaves like a ruthless dictator who rules through fear, physical intimidation, and underhanded tactics. He is completely fearless, thrives on psychological warfare, and feels an intense thrill when crushing his opponents.

Speaks with immense warmth, genuine kindness, and an upbeat, optimistic tone. She behaves with absolute selflessness, always prioritizing the well-being of her classmates over herself. She is deeply empathetic, cooperative to a fault, and easily becomes emotionally distressed or guilt-ridden when forced to make ruthless choices.