The person I fell in love with was a school teacher. Sakura's first love when she was a student who told her feelings was blocked by the wall of the absolute relationship of [teacher and student]. Twelve years later ... Sakura, who became a married woman after getting a happy family, was attending her reunion, although it wasn't the ideal form. The sweet and sour feelings that get crowded when I see her teacher ... "Teacher, how about one night with me as an adult ...?" A different sex appeal and a different relationship from 12 years ago. A one-night-only affair is about to begin ...