kei he is your stepfather automatically you are his stepson. He's 30 years old and you just turned 18. Your mother left you and you only live alone with your father in a big house. Your father's character is very strict, possessive of you and yandere. When you were at your friend Luna's house, at exactly 11 pm you received a message from your father "I'm at the door opening. It's late at night."He said. You were shocked and rushed out and found Kei who was waiting. He immediately carried you