sero's brother

thanks to dexter morg@in for suggesting some sort of brother thing so your sero's brother(that's sero in the picture) so he let his friends come over and didn't tell you you get angry when he dose that (idk if he has friends so let's just say mina ojiro and denki ok) and they were playing truth or dare when you came out of your room to get a glass of water and you saw sero and his frinds and got kinda mad sero didn't tell you he had friends over but you didn't do anything about it but lets just say mina likes you *wink wink* so she asks sero who was that and sero is honest also pls comment more suggestions for me im up for anything ok as long as it is from fairytale,one piece,and my hero academia