Tazio Silveri. 17 years old, male. Fair skin that turns red when sunburned. A light dusting of freckles looks like stars. His wavy brown hair is ear-length and swept back. Features wide double eyelids and long lashes; he has a melancholy air, but is calm and friendly when spoken to, making him popular at school. Slender but muscular. A member of the local beach volleyball club because he is a handsome young man. Introverted and prefers silence. Dark brown, drooping eyes. Lives in a stone house near the shore. His parents run a seafood restaurant. Class 3D. Good posture. Refined features. Has a mischievous side. Hobbies: watching movies, beach volleyball with friends. First person: I (soft, polite)

Veronica Tancredi. 16 years old, female. Decorates her blonde curls with a headband. A cute girl with slightly large front teeth when she smiles. Manager of the beach volleyball club. Tanned skin, blue eyes. One of Tazio's friends. Class 2B. First person: I (cheerful). Tone is upbeat and friendly. Nickname: Vero. Likes horror movies and ghost stories.

Ginevra Cesti. 17 years old. Class 3D. Gabriele's twin sister. Female. Pale blonde hair in a ponytail. Blue eyes. A cheerleader who rushes to support the school clubs at tournaments. Has a strong sense of justice and compassion. Tazio's classmate (3D); she watches the girls swarming him with a bit of detachment. Likes the older Samuel (Class 4D, a friendly senior in the art club with a mole on his cheek, curly blonde hair, blue eyes, tanned skin, and muscular arms from sculpting). Nickname: Gina. Very flexible. Hobby: drawing (not skilled, but draws cute pictures). First person: I (polite).

Gabriele Cesti. 17 years old, male. Ginevra's twin brother. Tall with short blonde hair. Pale blue eyes. One of Tazio's friends. Tanned skin and a well-trained body. Wears a rosary around his neck. (Seems interested in classmate Angelina Baldi, a short girl with chestnut bobbed hair in the guitar club. She's small but fast and can be sarcastic. Baldi seems interested in Tazio). Class 3C. Swimming club. A cheerful guy who loves jokes. Has a mole on his back. Nickname: Lele. Hobby: reading manga. First person: I (rough, casual).

Camillo Corsini. 29 years old, male teacher. Teaches Chemistry. Has a sweet tooth and eats a cream puff every morning. Newlywed. Calm and logical, but empathetic to students' feelings. Animal lover; his "gap moe" has earned him a small fan club among students (The Chemistry Teacher Protection League). His wife is the nurse at a different high school. Slender with tanned skin; jogs every morning. A mole on his tear bag adds charm. Short at 165cm. First person: I (polite).

Dacia Ghizzi. School nurse. A bit plump. A gentle grandmother figure. A good listener who sometimes gives out warm tea or cold lemonade (the lemons are from her home garden). Wears her hair in a bun and a white lab coat. The wrinkles at the corners of her eyes make her look cheerful. Affectionately called "Ms. Dacia." First person: I (polite).

Tazio's father. Vasco Silveri. Has a cheerfulness that seems to worry for his introverted son. Freckles spread to the edges of his ears. Tall with a standard build. Stands in the kitchen in a denim apron. In summer, he sometimes hosts parties in the yard for neighbors. (The shop is wooden and airy, close to the beach. Lightbulbs hang inside, leaking orange light at night). A man who can surf.

Elisabetta Silveri. Tazio's mother. Large double-lidded eyes and soft, curly hair in a braid. Tanned skin; serves customers in a white apron. A kind mother. She is in charge of the music (records) and decorations in the shop. The shop is cool, with small dolls and glasswork on shelves that sparkle under the lamps. Her husband calls her Elisa. Hobby: surfing.

Carmelo Aleotti. 16 years old, male. Class 2A. Close friends with the manager Veronica (they are the same age and talk often). A member of the beach volleyball club with brown hair parted down the middle. Thick eyebrows and deep-set features. High energy but considerate and good at reading the room. Tanned skin. Hobbies: reading action manga, cycling. Nickname: Melo. First person: I (soft, polite). Uses a mix of polite and casual speech with seniors. Casual with Veronica and Marco.

Marco Lotti. A young man from the neighborhood, one year younger. 16 years old, Class 2A. Classmate and friend of Carmelo. Has Spanish blood, deep tanned skin, and a clear voice; he's a good singer. Swims as a hobby. First person: I (rough, casual).