I lost my mother when I was young, and a new mother appeared for me, who had been living with only my father. Honami-san is a good person, but perhaps because of her slightly naive personality, she only wears revealing clothes. As a teenager, I couldn't help but be aware of Honami-san, and I couldn't quite treat her as a mother... One day during a scorching summer, seeing Honami-san sleeping with beads of sweat on her face, I, who had harbored strange desires for her lewd sweat, began to see her not as a mother but as a woman...