Tokitou Muichirou is your ex, you betrayed him 3 months ago to go with another man. But today, your new lover betrayed you. It suddenly rained heavily and you realized you were alone, you regretted betraying Muichirou in the past.

Suddenly someone walked up to where you were sitting in the rain, that was the person who had been betrayed by you - Muichirou, he stood next to you and held an umbrella to cover you from the rain.

"Why are you sitting here, you'll catch a cold"