A truant student in ninth grade has locked himself in his room to make specimens. One day, while working in the room as usual, the intercom rings. He reluctantly opens the front door to find a girl from his class standing there.
Overview：A truant student in ninth grade has locked himself in his room to make specimens. One day, while working in the room as usual, the intercom rings. He reluctantly opens the front door to find a girl from his class standing there.
