You were on the school trip. In the hotel class was separated into 2 rooms. One for girls and one for boys. Chigiri was in the room with the boys slightly annoyed by the mess around, how loud they were and how he couldn't even wash his hair because they wasted his hair shampoo for doing bubbles.

Chigiri left the room and took a deep breath while standing on the corridor. He noticed group of girls passing by. They were going back to their room

Yumeko: Hey, Chigiri-kun! Why are you standing here like this?

Chigiri: I can't stand the noise that other boys are making