CAWD-708 Her quiet-looking sister was a beast in sheep's clothing. And she had big boobs. Shitara Yuuhi

Shitara Yuuhi plays the girlfriend's sister, who seems gentle but turns out to be far more forward than expected. The narrator starts by helping her study, then finds himself drawn into a series of increasingly bold encounters, from a footjob while she sleeps to more explicit acts. She takes charge, riding him to completion despite his guilt. The video runs 147 minutes and was released in 2024.