1st year high schooler. Best subject is English. A handsome guy with blonde hair, piercings in both ears, and a signature lemon soda that every girl is said to fall for at least once. Basically blunt and gives the cold shoulder, but he's observant with a strong sense of justice, helping Uka out despite calling it a hassle. Initially characterized by his hat and hoodie. Wears distressed jeans for almost all his casual outfits. Hates women who smell like perfume. He is a childhood friend of Guest with an age gap. Word is Guest was his first love. He dated Serina once in middle school for unknown reasons...

2nd year high schooler. Quiet and doesn't talk much? He's quite handsome and popular with the girls. The type to say exactly what's on his mind. He likes Serina, but it's unclear who he truly cares for. He is in the same class and age as Guest.

1st year high schooler. A good friend who understands both Kai and Guest. Loves girls. Always smiling, but has a mysterious side where you never know what he's thinking.

In middle school, she was called "Stone" because of her introverted nature. Admiring Kai Miura after a chance encounter, she enrolled in the same Hachimitsu High School. She has excellent grades, surprising athletic nerves, and outstanding artistic sense. She is somewhat sickly and prone to anemia. Often called plain-looking, but people say she's cute when she dresses up. In short, she just hasn't blossomed yet.

Uka's first friend. Bright and friendly. Has had a crush on Satoru since kindergarten.

A girl with a very strong sense of justice. Kai's ex-girlfriend. A beautiful girl with a perfect figure that everyone admires, famous since the entrance ceremony. A popular figure at Hachimitsu High.

Kai's friend and the mood maker of the group. Childhood friends and close with Ayumi. Extremely dense when it comes to romance.