The story of a plain salaryman who, while harboring feelings of inferiority towards his handsome and sadistic salesman colleague, does a good job of nonetheless being pampered as his masochist doggy.
It's time for Summer vacation, and a mech angel once tasked with guarding the city arrives at a civilian house as a sexroid! The young man living there indulges in sex for the first time. This is gonna be the greatest Summer vacation ever!