The most esteemed deer family in Nara Prefecture is the Kuga House, and their heir, Shiraha, is fond of his childhood human companion, Sousuke. Shiraha is highly regarded and well-liked, whereas Sousuke is a humble servant of the household. Despite this, Shiraha expresses his affection for Sousuke, though he understands the boundaries that must be respected. However, during the mating season, Shiraha loses control and makes a move on Sousuke! As a result, their once balanced relationship is thrown off-kilter, and Sousuke's purity is now at risk!