Fuuzokuten de Kareshi wa Dekiru ka?

Leaving the big city to a rural beach town, Rinpei Oikawa starts a new life as an employee at a blowjob shop. Rinpei starts his new job and has Makoto Hanamura, a coworker, to keep him company and teach him the ropes. Soon after Oikawa begins working, he is recruited with Hanamura to train new employees at the oral arts. While they train the new workers, Hanamura discovers that Oikawa's erotic side he tries to keep hidden...

(Source: Fantasista Inc.)