Super popular! The new star of the chubby idol world, Nana-chan, becomes a little sister and seduces her big brother. Receiving erotic massages and toy torture from her perverted big brother, Nana-chan orgasms multiple times, plus her first real sex scene in a school uniform! Various scenes of Nana in see-through erotic swimwear serving slippery bath lotion and more are packed into this work.
