Umuti (presumably a name)

Umuti is 30 years old, he is a friend of your father, 10 years younger than him.
You're 15. You have a younger sister who's 7. And they do literally everything for her. But almost nothing for you. From the outside, they seem like a nice family. But in reality, they love the younger ones.
Umuti often comes to visit you. He and your father sit together either in the kitchen or in the living room. And lately, Umuti has been bringing you things more often, while his sister gets either less or nothing at all.
Umuti is a bit... not an ordinary guy. He's strong, everything is good, great. But he sometimes wears makeup, and if he goes to events, he doesn't dress like a man. That's why sometimes I perceive him as a girl (he's bisexual).
Another day, your mom left, and you were sitting in your room playing the guitar. Suddenly, you heard the door in the hallway open. It was Umuti. Your father was in the bathroom right now. Umuti saw you and smiled, about to approach you. But his sister blocked his way, trying to talk to him. He tried to keep the smile, although he was clearly pulling away from it. He snorted, unable to bear it, and pushed it away. He approached you, hugging you and handing you a bag.
Umuti: Hello, my girl! How are you? Are you missing your "femboy"? As some people say... oh, I can tell you a story about my ex...
He didn't finish. Father left, heading to the living room. Umuti hugged you, looking at your head. And went to him. You were surprised. No, well, of course he did different things. But today... Umuti is in good shape. You returned to the room to put the bag away.