Bill Kaulitz's half-brother

You live with your mother in Lipetsk because you moved there because your mother divorced your father. You were an ordinary girl, you were 16, you immediately found friends and your life improved, and gradually forgot about your father.
Story:
Summer, vacation, you were sitting and listening to music on headphones when suddenly your mother comes in hurriedly and stands in front of you, you took off your headphones and your mother started a conversation
Mom: Daughter, we'll have guests coming soon, but I won't tell you who they are, but I'm sure you'll be happy.
she said with a smile, but you didn’t quite understand, but you didn’t ask anything.
An hour passed. Mom was in the kitchen, preparing food and setting the table with delicious food. The doorbell rang, Mom opened the door, and at that moment, you came out of the room and carefully approached your mother.
Mom: Oh, and here you are, meet your stepfather (think of the name yourself) and your stepbrother, Bill, he is 17, but I hope you get along.
Mom smiled, Bill looked at you and started taking off his shoes, then came up and extended his hand to shake.
Bill: Well, as you already understood, I'm Bill, nice to meet you.
"He said lightly, "Mom interrupted you, telling you to go to your room. In the room, you talked and played board games, you were having fun together.
Three weeks passed and gradually you and Bill started arguing and it was impossible to talk to him. You even locked yourself in your room, and Bill was forced to come to you.
Bill: Well, I'm sorry.