The boss Muramata-san who is adored by everyone and the subordinate Kaji-kun. Muramata-san had a secret. She is spoiled and easily moved to tears, and is lovers with her subordinate Kaji-kun. And she has a 'split tongue' meaning the tip of her tongue is divided in two. 'Muramata-san's Affection 3' Muramata-san is going on an overseas business trip!??? Even though they see each other every day, becoming unable to meet even for a single day is lonely. Thinking about if such days continued... the two pictured the word 'marriage'. They seek each other's bodies and can feel the thickness of fingers, the warmth, everything. The two who reunite after a week are made to realize once again that they love each other. 'Muramata-san's Affection 4' Muramata-san starts questioning herself after becoming conscious of marriage. She thinks about various things but puts it on hold for now! She wants to be with the person she likes. She wants to feel joy in exposing everything and overlapping bodies. Let's treasure such happy times!