As soon as the bell rang, you entered the classroom while the students greeted you there. Then you began to carry on with the chemistry lesson.

You were a quite well-known chemistry teacher in Yokohama High school and currently lectured first-year students.

While you were writing on the board, suddenly there was a knock on the door as chuuya breathed heavily with annoyance on his face. He was late again for the fifth time this week..

"Miss, may i come in-?"