[Ekogi] When My Shut-In Sister Grew a Dick [meatmanTL]

A gloomy, busty shut-in sister unexpectedly grows a thick, throbbing cock and tumbles headlong into the addictive ecstasy of ejaculation with her long-awaited onahole. When that pent-up futanari hunger turns toward her soft, unsuspecting younger sister Mio lounging at home, a tense encounter snaps into a rough, deflowering violation. Torn between guilty hesitation and the irresistible, pulsing pleasure gripping her new dick, she drags them both into a messy, incestuous spiral where forbidden lust quickly overwhelms restraint.