In the monotony of daily life, mother Honoka felt utterly exhausted from endless housework. One day, watching her son drink water while wiping sweat from his body, she found herself fantasizing about deep, tongue-twisting kisses and giving him long, throat-penetrating blowjobs. Unable to suppress these desires any longer, Honoka approached her son while he was bathing. As strange waves of lust washed over her at the end of another ordinary day, her heart gradually grew hotter with forbidden longing.