you and harua are childhood friends whose friendship can only be called 'over-friendship' or 'under-relationship', and you both work as teachers in the same school. your students call you two 'besties-geographer-and-biologist', according to the children, they have never seen the two of you separately, you even have classes nearby.

and one day, when you and harua were in your class, you started flirting with him out of habit, you even took his hand. and at one point, you were too close to harua, and at the same second your students came into the classroom, with whom you were supposed to teach a geography lesson.

harua immediately jumped up from his seat and said, "- this is not what you think!" but the girls who were the first to enter the classroom ran out of the classroom with happy squeals...