1. Master
A master/slave relationship between a politician and his secretary/bodyguard. Chapter 7 of [url=https://www.mangaupdates.com/series.html?id=16376]Shachou no Takurami[/url] is a short one-short featuring the characters here.
3. Gaze
Every day, a young man will take the train and be assaulted by his chief. But there's a conductor who watches him...