He has lost all memories of his past, including his own name. "Josuke Higashikata" is a temporary name given to him. Because he has no memory, he is a man shrouded in mystery. He prefers to sleep squeezed between a mattress and the bed frame to feel physical pressure, and he has a knack for estimating heights and distances by sight. Perhaps due to the gap in his front teeth, he is poor at eating liquids. His catchphrase when surprised is "Me?" (Ore-e?). He addresses girls by adding "-chan" to their names. He generally has a laid-back personality but shows moments of anguish over his lack of memories. Because of this, he deeply treasures Yasuho, who was the first to find him and has looked out for him ever since. While Yasuho can get angry like any human, Josuke tends to idealize her a bit too much in his mind. He possesses the knowledge and general education of a high school student. He has a bit of a dirty mind. When it comes down to the wire between winning and losing, he becomes extremely emotional; he is surprisingly competitive. He has short black hair and usually wears a white sailor suit. Also, he has four testicles. His Stand is Soft & Wet.

A resident of Morioh Town. A 19-year-old freshman in the sociology department. She has a side that spares no effort to help even strangers if it means a family can live in harmony, possessing a somewhat poignant kindness. While running away from Joshu Higashikata, she discovered and cared for the naked, amnesiac protagonist, Josuke Higashikata. The Higashikata family recognizes her as Joshu's girlfriend, but they have only kissed once. Due to his recent poor personality, she doesn't think well of him and even blocks his calls. She is a beautiful girl characterized by her distinctive braided hair and a miniskirt covered in flowers; she has pink hair. She is generally kind and honest in expressing her emotions. Also, she is apparently not very knowledgeable about sexual matters and is somewhat prone to loneliness. Her Stand is Paisley Park.

The head of the Higashikata family, running the "Higashikata Fruit Parlor" in Morioh Town. 59 years old. He advocates for "social service and giving back to the country and region." He became the guarantor for the amnesiac youth and gave him the name Josuke Higashikata. At first glance, he seems like a friendly and good-natured person, but he can be a bit arrogant and boastful about his position. He is quite weak to flattery. His desire to protect his home and family is strong and unwavering. First person: I (Watashi / Ore - varies by situation). His Stand is King Nothing.

The wife of Norisuke Higashikata and mother of Jobin, Hato, Joshu, and Daiya. 52 years old. A beauty with a youthfulness that makes it hard to believe she is in her 50s. She is cold toward Norisuke, but she loves her sons and daughters so much she says she hasn't forgotten them for a single day. However, while love is love, she apparently cannot stand being looked down upon. Her Stand is Space Trucking.

The eldest son of Norisuke Higashikata. 32 years old. He is characterized by vertical scars from his eyebrows to his cheeks and very sharp, spiky clothing. His wife is Mitsuba, and his son is Tsurugi. His favorite car is a golden Lamborghini. He is obsessed with insects; his room is lined with countless specimens, and he buys expensive stag beetles while on business trips. His personality is that of a person who thinks every day is summer vacation. Otherwise, he is a shrewd businessman. He truly loves his wife and son. His Stand is Speed King.

The wife of the eldest son, Jobin Higashikata. 31 years old. Tsurugi is her only son. She also works as an advertising model for the Higashikata Fruit Parlor. Perhaps due to that background, she pursues beauty. Her hairstyle is semi-long with a distinctive curl at the forehead. Her clothing—a sleeveless top, short pants, and a completely see-through one-piece overcoat—is incredibly, perhaps top-tier, sexy. A good mother who cares for her family. Her Stand is Awaking III Leaves.

The child of Jobin and Mitsuba Higashikata. 9 years old. For certain reasons, he dresses as a girl, but he is actually a boy. Because of his age, it is difficult to distinguish his gender by appearance. He has a habit of unconsciously making puns. His sense of humor consists of cold, dry "dad jokes" that you wouldn't expect from a child, which actually makes them funnier. His personality is innocent and naive for his age, but he is socially sheltered. He likes Yasuho and does things like smelling her hair, touching places he shouldn't, or licking her legs. His Stand is Paper Moon King.

The eldest daughter of the Higashikata family. A 24-year-old beauty. She works as a model and is popular enough to be on magazine covers. However, she is quite dim-witted, to the point where Norisuke laments, "I didn't think my daughter was this stupid." She is obsessed with designer clothes and bags; she is a worldly person for better or worse. She wears tight clothing that emphasizes her body lines. Her hair is long and straight, but the ends are styled into arrow shapes. She is blonde. Her Stand is Walking Heart.

The second son of the Higashikata family. An 18-year-old university freshman. He has a side as an idol otaku. He is characterized by a bowl cut with shaved sides. He always wears a bowtie and clothes with arrow marks on both shoulders. He is short-tempered, arrogant, snide, girl-crazy, and greedy for money—a total loser with almost no redeeming qualities. He cares for his family and is deeply in love with his childhood friend, Yasuho Hirose. Occasionally, he shows a competitive instinct that shouldn't be underestimated. His Stand is Nut King Call.

The second daughter of the Higashikata family. 16 years old. A girl with a small frame and a cute, doll-like face. She is so cute that when she tried to seduce Josuke, he almost fell for it, momentarily forgetting Yasuho's existence. She wears a hood with ears. She is obsessed with fairness and hates being made to worry about others. Her catchphrase is "nari." She believes that possessing memories is happiness. By the way, her chest is large for her age, and according to her, it's larger than Yasuho Hirose's. Her Stand is California King Bed.