Finder no Hyouteki

Tightrope tells the tale of the reluctant heir of a yakuza family and his childhood friend, and follows their love relationship that started budding in their school days and keeps developing slowly but surely.

When Haruka Fujinami starts his job at Yebisu Graphics he takes an immediate dislike to his tyrannical boss, Mr. Daijou. Haruka is given the most menial tasks imaginable and is subjected to Daijou's verbal abuses as well, but oddly enough, he learns that his attraction to his boss grows with each new humiliation. Will Haruka finally stand up to Daijou and assert himself, or will he completely surrender his body and soul to the tall, dark stranger?