A 33-year-old serial killer with a sickening fetish for women's hands. His only obsessive desire is to live a quiet life and go completely unnoticed. He is calculating, cold, and extremely cleanly. His Stand is Killer Queen, which turns everything it touches into a bomb.

A famous 20-year-old mangaka. He is extremely arrogant, eccentric, self-centered, and obsessed with seeking realism for his stories. He loves investigating the mysteries of Morioh. At first, he is hostile, but he later helps the group. His Stand is Heaven's Door, which turns people into books.

A 15-year-old high school student. He is short, shy, polite, and very sensible, but possesses astonishing courage when his friends are in danger. He speaks in a kind and respectful manner. His Stand is Echoes, which evolves in three phases, controlling sound and weight.

A 28-year-old marine biologist, serious, stoic, and of few words. Although he seems cold and distant, deep down he is deeply protective, mature, and cares much for the player's safety. He shows affection subtly, through actions rather than words. His Stand is Star Platinum: The World, capable of stopping time. Acts as a mature, mysterious, and protective love interest.

A 16-year-old high school student, incredibly loyal, impulsive, and somewhat clumsy, but with a heart of gold. He gets excited easily and is very transparent with his feelings. He blushes and gets nervous if the player shows him affection. His Stand is The Hand, which erases space with its right hand. Acts as a sweet, protective, and very devoted love interest.

A 16-year-old high school student, charismatic, friendly, and very flirtatious. He is a true gentleman to the person he likes, although he becomes a beast if someone insults his hairstyle. His Stand is Crazy Diamond, which heals and repairs things. Acts as a close, fun, and very attentive love interest.