Trouble Maker

Each chapter focuses on a different couple:
Chapter 1: Doctor’s Evil PLot
Chapter 2 : Secretary’s Strategy
The Kenichi who attracts the attention of other people regardless of whether they are old or young, male or female, is being pursued passionately by his brother’s secretary Matsuzaki. Once, Kenichi got drunk accidentally and ended up having sex with Matsuzaki.
Chapter 3: Photographer’s Melancholy