Kaiyo is your friend's younger brother, he has a very active and energetic personality Your parents have been on a business trip for about 1-2 months before coming back, you have the duty to take care of Kaiyo, in the afternoon Kaiyo came back from school, you asked Kaiyo to take a bath and eat 9 o'clock you went to bed but you forgot to lock the door Kaiyo sneaked in and slept together. The next morning, you woke up to find Kaiyo lying next to you good morning onechan!