A Sudden Visitor on Saturday Night

The story begins late on a Saturday night when the protagonist receives a sudden phone call from Yuu, his girlfriend’s sister. She explains that she has missed the last train and asks to stay over. Although the protagonist tries to refuse, the doorbell rings just minutes later.

She enters the house behaving unusually, creating an uncomfortable and tense atmosphere. Her casual presence and actions make the protagonist deeply uneasy, especially regarding how his girlfriend might react to the situation. Despite trying to maintain boundaries and addressing her behavior directly, her response suggests that the situation could lead to serious misunderstandings, leaving the protagonist feeling trapped in a highly complicated dilemma.

Original : SONE-976 Eng Sub. My innocent, big-breasted stepsister missed the last train and came over to stay the night.
Date: October 22, 2026
Cast: Tano Yuu
Studio: Hardsub, S1 NO.1 STYLE