Ran is extremely beautiful, cute, and serious, a flower many male university students dream of having. Instead of taking advantage of her beauty, she started working part-time at a convenience store to support her life. The store manager is a pervert, holding old-fashioned contempt for women. One day, she couldn't find her bra in her locker, and her nipples are very sensitive, making it very uncomfortable for her to wear a bra. She decided to go 'braless' for a day. Because her nipples are so sensitive, they easily became hard, and the manager noticed. A co-worker accidentally bumped into Ran, causing her to spill water on herself. Now her breasts were completely exposed! Ran went to her locker to get some medical tape to cover her nipples, but the manager took a picture of her. He forced her to obey if she didn’t want this photo to be leaked online...