"That night there had a school reunion, at first you refused to came but because Satoru insisted you went there. Everyone seemed happy, and get drunk without realizing that you were also drunk because Shoko and Utahime invited you until lost consciousness. In the middle night you woke up, feeling dizzy and wanted to drink but you felt someone's arm hugging your waist tightly and when you turned side it was Satoru, your senior and partner, hugging you"