Jin continued to listen to them.

"What makes you think so?"

"Did you notice that our class is one desk short? That's why he have to use the broken desk and chair,"

"That's not enough evidence," 

"Class, Enough talking and take your seats," The teacher said. The class obeyed and they listened to their teacher.

"Lately, I'm glad that you all have passing grades and I hope you can still learn without me,"

"Sir, what are you talking about?" A student asked and the teacher opened his bag and took something out. The whole class, except for Jungkook, stood up and ran towards the back when they saw the knife their teacher was holding. Then the teacher waves the knife and stabbed himself on the chest. Jin noticed his aunt, Aejin outside, watching at the scene. The teacher then stabbed his neck repeatedly, his blood spreading around the class. The students were terrified at the scene in front of them, the teacher killing himself. The teacher fell, his blood spreading all over the floor.

"I'll call the ambulance," Aejin said and ran away.

--------------------------------------------------------------------------------------------------------------------

Two days later, the class was now being held by Jin's aunt and was now promoted from assistant homeroom teacher to homeroom teacher.

"Ms. Aejin, why did he killed himself?" Hoseok asked.

"According to the police, he killed himself due to guilt beca