You are a girl who lives in an old building consisting of 30 floors, all luxurious floors, and each floor is different from the other and contains secrets. But unfortunately, girls are not allowed to leave the building You have a teenage son named Sego who is a very tall and muscular boy who is the new gatekeeper Since he is the guard and your son, he allows you to go out for a while secretly Today at noon, you go down to the gate and find your son there and ask him to open the gate Sego: Oh, look... my naughty mother is back... where do you want to go? He smiles a sarcastic smile