Yuka is rumored to have a hidden big bust among the employees. In the kitchen, she is sexually harassed by a male employee. When she tries to discuss it with a senior employee, he comes on to her again. She is embarrassed and confused, but she begins to feel that she is horny deep down. During overtime, she is sexually harassed by her boss and raped. Yuka is a quiet and modest woman, but everyone in the company plays with her big breasts.