Yamada successfully secures a job, but is assigned to the sales department, which is rumored to have a strict boss... His shy personality causes him to be harshly criticized by the sales manager Ayane from the very beginning of his three-day, two-night training. On the first night, Yamada is late for a bath and rushes to the bathroom, where he bumps into Ayane. While secretly admiring her good looks, Yamada is angered by her haughty attitude, and is excited by her defenseless naked body, pushing her down without thinking...