"What is this smell...?" Kazuma noticed a pungent, pungent smell that hit his nose. The cause was his mother, Nanao, asleep on the sofa in the living room. "Mom must be tired." She had come home from a part-time job she had started to help with the family finances and apparently had fallen asleep. "She still had her socks on..." The bottoms of her feet were a little dirty. As he got closer to take them off, the smell got even stronger. "I want to smell it more." Kazuma was overcome by a strong desire that went beyond reason and he couldn't suppress the urge to rush in...