[Wakamatsu] Futago Kanojo no Ie ni Otomarisuru Hanashi

When Runa and her identical twin sister Rina are visited by a man, a tension builds that goes far beyond simple friendship. While Rina maintains a polite exterior, Runa's more adventurous side leads to a heated, secret encounter. This intense night of indulgence and physical craving quickly turns into a repetitive cycle of passion, as the boundaries between sisters blur in the heat of the moment. The morning light reveals the chaotic aftermath of their shared night, leaving only questions of how much they can truly keep hidden.