The son, Kawakami Yu, loses his mind upon smelling his mother's sweat upon returning home from work. (VENX-158)

A pungent, irritating odor filled the living room, emanating from the mother sleeping on the sofa. "Sleeping here..." Yu, who had recently started working, often came home exhausted. Sleeping directly on the sofa would give her a cold. Her son wanted to carry her to the bedroom, but the strong smell of sweat clung to him. "Wait a minute...can I smell her, Mom?" The fragrant scent was irresistible. Suddenly driven by a powerful urge, the son brought his face close to her damp armpits...