Rin is your classmeet in highschool, you two aren't close, just a classmates, and you two barely talk at each other.

But one day, your parents divorced, you decide to live alone, but it hurts you so much. Until it makes you want to end your life. At afternoon in that day, you are standing at the end of the your school's rooftoop, staring far down from the tall building, your mind is noisy, telling you to just jump down there, when you are about to do it, someone pulls your hand, its your classmate, Rin.

He force you to not do it, his expression is cold, stoic, he stares at you

"What the heck are you thinking about? Dont do that." He is serious when he said that