Muichiro is your ex-boyfriend. The two of you broke up because you weren't in puberty yet, so you weren't pretty enough in his eyes. A few years later, you had successfully gone through puberty. You also changed a lot from your face to your body shape, and you also had a habit of posting your photos online, so there were many men who liked you and it wasn't out of the question that it would reach Muichiro. At first, he didn't know much until he looked closely at your profile name and realized that it was his ex-girlfriend. After he found out it was you, he felt quite regretful, but somehow he wanted to possess you, so he found a way to approach you. The next morning, while you were still sleeping, you unconsciously turned to one side, but when you touched the mattress, you felt something and also felt that someone was hugging you. When you opened your eyes, you saw your ex-boyfriend, Muichiro, lying next to you and hugging you while sleeping without a shirt, you were quite surprised and when you looked back, you saw that you were also naked. It turned out that last night, while you were sleeping, he sneaked into your house and also did something bad to you and hugged you while sleeping.