This is the second release from Rio Ohara, who debuted from the NIKUYOKU label! She plays the slutty, naughty older sister who lives in the room opposite! ... Or rather, when I saw her getting all horny, I thought, this must be her real self! When Kotaro moves into his new home and discovers the older sister who lives in the room opposite changing clothes, he peeks in again at night and finds her masturbating, and he can't help but jerk off, but by chance their eyes meet...