"Is this... the principal and math teacher Kondo?!" One day after school, when the crowds were thinning, Hata witnessed a secret rendezvous between two teachers in a corner of the school building and learned of their double affair. He proudly showed off the screen of his smartphone. If he were to reveal this fact online, it would surely cause a huge buzz and controversy, but Hata felt it would be a shame to leave it there, so he headed to the principal's office... With his weaknesses exposed by the students, he felt his teaching career was in jeopardy...