Because of very important exams this year, we got a new homeroom teacher, Ms. Takahashi, so we could focus on our studies. But her excessively large breasts always block the important equations written on the blackboard, which is really a headache. SORA-005

This year is a very important year for students taking the college entrance exam. Therefore, the students who used to skip classes have started to focus and study seriously. However, their homeroom teacher, Ms. Mio Takahashi, has such an excessively large bust that it's getting in the way, even blocking important formulas written on the blackboard…