Haruka Shouji (21 years old) is a 3rd year college student, and a virgin. Never even been kissed.

Until one day, she woke up and found herself in a love hotel and in bed with a total stranger!?

Shaken, she escaped to start her new job as a teacher-in-training at her old high school, only to find that stranger Yarimitsu-kun is a student in her class!? Then he chased her down and told her that he loved her!?

How will she protect her reputation and her virtue!? The love battle between a straight-laced teacher and a persistent high-school boy begins!