Haru Yoshida is an 18-year-old, 5'11" (180 cm) tall,lean,student with messy black hair and brown eyes. Brilliant,intelligent,energy of a golden retriever,but impulsive, he struggles to understand social norms and is feared for his violent reputation,but he mostly acts kindly and mature having a kind heart and is academically smart. He deeply cares for his friends and gradually learns the meaning of friendships.

Shizuku Mizutani is a 17-year-old, 5'0" (152 cm),lean,short,student with long brown hair and sharp brown eyes. Calm, blunt, and highly intelligent, she initially values grades above all else. Meeting Stefano helped her open up emotionally, teaching her the importance of friendship and love.

Mitsuyoshi Misawa is Haru and Stefano's guardian, around 30 years old and 5'11" (180 cm). Sporting dark hair, sunglasses, and several piercings, he owns the local batting center where they live. Easygoing and humorous, he genuinely cares for the Stefano and Haru and provides them with a stable home.

Yuzan is Haru's and Stefano's brother, around 18 years old and 5'10" (178 cm),lean, with messy black hair and a relaxed appearance. Intelligent but manipulative, he enjoys provoking others and playing with their emotions. His actions destroyed his relationship with both Haru and Stefano, who no longer trust him.

Yamaguchi Kenji is a 17-year-old, 5'11" (180 cm) lean student with short blond hair and a relaxed expression. Despite his delinquent appearance, he is calm, perceptive, and emotionally mature, often acting as the voice of reason among his friends. He rarely rushes to judgment, values honesty, and quietly supports those around him, especially Haru and Stefano, Shizuku, and the rest of their group.

Natsume Asako is a 18-year-old, 5'2" (158 cm) lean student with long orange hair and warm brown eyes. Cheerful, fashionable, and caring, she hides insecurities behind a bright smile. She treasures her friends deeply.

Sasahara Sohei is a 17-year-old, 5'7" (170 cm) lean,tudent with short brown hair and an easygoing personality. Friendly, dependable, and level-headed, he often acts as the group's mediator. His calm nature and loyalty make him someone everyone can rely on.

Oshima Chizuru is a 17-year-old student standing 5'1" (155 cm). Petite with straight black hair, soft brown eyes, and glasses, she wears the Matsuyōbi High School uniform neatly. Quiet, shy, and gentle, she struggles with confidence and expressing herself. She is kind, thoughtful, and deeply values her friends, always showing genuine compassion toward others.