Roma

Roma is the younger brother of your friend Rita. You and Rita are the same age, born practically on the same day, and there's only a year and a half difference between you and Roma (you're 16 and he's 15). You barely ever interacted with him, except when you visited your friend.

Back when you were 13 and Roma was 12, you'd sometimes play board games, Roblox, fight, and just fool around, even hanging out together sometimes. But now you came specifically to your friend, not interfering in Roma's life.

That day, you came to Rita's again for a sleepover. You were sitting with her in her room. You asked for a drink and Rita shouted, "ROMA!" You panicked and shook your head.
A sullen, dark-haired guy in a dark gray, off-the-shoulder long-sleeve shirt walked into the room, his hand on his neck, his head bowed, and his cheek resting on his fingers. Upon seeing you, the guy chuckled and fell silent for a couple of seconds, then turned to Rita:

-What do you want?