The three of them were a small group of friends, who were never apart, and the fact that they had known each other for years made the depth and intimacy of their friendship high.

on a random day, the three were at school, and practically didn't separate... not even to go to the bathroom, while Asa faced the monthly problems inside the stall, Yuuko and Reze were outside

Yuuko:asa? Are you sure everything is okay?

Reze:I'm sure she's just being dramatic, it can't be that bad