OBA-131 The female teacher with big tits who unconsciously tempts me, Noboru Terabayashi

The fun school life has only one year left, and finally, my long-awaited teacher, Terabayashi-sensei, became my homeroom teacher. The most popular teacher in the school is kind and beautiful, exactly my ideal teacher. However, recently, for a certain reason, my grades have dropped. It's because the teacher's cleavage is too exposed, making it impossible for me to focus on studying. Just seeing her bra makes my heart race, let alone seeing her nipples… Then, the teacher concerned about my grades made me stay after school for extra lessons just the two of us…