[Family Affair (Family Man)] Daisuki na Otouto ga Chi no Tsunagattenai Imouto ni Toraresou de Yakimoki Suru Onee-chan no Hanashi.

A glasses‑clad schoolgirl older sister, driven by lewd desire, decides to seduce her younger sister who lacks a blood tie, leading to a forbidden threesome with their brother. The panels show her conflicted thoughts about incest, explicit cravings for her sibling’s body, and the brother’s participation as she gives him a multimouth blowjob while the younger sister watches, heightening the taboo tension. The story culminates in explicit scenes of pantyhose‑clad legs, close‑up intimate contact, and whispered declarations of love for her “big brother,” delivering a climactic, boundary‑blurring encounter.