[Nagare Ippon] Sayounara, Mataashita - Goodbye Tomorrow chapter 1-4

An anxious schoolgirl sister tries to reassure her sibling, only to be drawn into a coercive encounter that overwhelms her composure. The scene erupts into intense, non‑consensual intimacy, her face contorting in ahegao as the act escalates with double penetration and bondage. The aftermath lingers in an afterword that reveals translation flaws, leaving the emotional fallout unresolved.