No Working After Hours (Watashi, Teiji de Kaerimasu)

Other name: わたし、定時で帰ります。/I Will Not Work Overtime, Period!

Synopsis: Higashiyama Yui works for a website development company. Because of her workaholic father and the unpleasant experience in the past, she hates working overtime. She even broke up with her fiancé because he was a workaholic. After work Higashiyama never lingers and goes to her favorite Chinese restaurant, but during working hours she always tries to be efficient and productive as possible. However, her peaceful life comes to an end when a new department head appears at work.

Also known as:わたし、定時で帰ります。/I Will Not Work Overtime, Period!