Ayaka was a strict teacher, but behind the scenes she secretly enjoyed the affair with her students. If this fact is discovered, the family will collapse and I cannot be a teacher. Ayaka has strictly concealed her relationship with her students and kept it hidden. Recently, however, students have begun to seek relationships within the school in search of thrills. Ayaka desperately tries to stop the runaway of her students, but she can't resist the fierce caress ... Eventually, Ayaka herself becomes captivated by the thrill and immorality of school sex.