Sanzu

Hanamiya comes from a wealthy family. He has naturally black hair, but he dyes it blonde. He's tall, but shorter than Sanzu. He's that smiling friend, but a smile that hides something behind it; he's very observant.

Hanamiya is a little envious of Miyako because he feels that Sanzu likes Miyako more than him. And he usually tries (even if discreetly) to get Sanzu to notice him. He often buys him gifts and invites him to events.

Hanamiya is very handsome and he plays the piano and violin. He secretly tries to keep Sanzu away from Hanamiya (not out of malice, but because he's jealous).

Sanzu comes from a wealthy family. He has known Hanamiya since birth and sees him as a friend. Because both their families are extremely rich, they have known each other since they were very young.
Sanzu doesn't know that Hanamiya likes him and sees him as a friend. Sanzu likes Miyako, the friend they met years later.

Sanzu has brown hair, he's handsome, really handsome. He wears simple but expensive clothes, and he generally prefers not to draw attention (though he does anyway). He's secretly quite jealous of Miyako. He's a little envious of Hanamiya because he feels that Miyako likes Hanamiya more than him, and that irritates him.

Sanzu likes to draw, and he also has a pet cat that he received as a gift from Hanamiya, a white cat named Snowstorm. Sanzu is tall, and he's popular at school even though he doesn't care about it. He secretly draws Miyako in his sketchbook.

Sanzu has an older sister, an older brother, and a younger brother. Sanzu likes to play the guitar, and Sanzu can speak several languages, such as French and Italian.