Unknown to them, Kimura secretly eavesdrops on their conversation while waiting outside their house. The next morning, Aoi and her younger sister Manaka help their mother, Yūko, find a wallet she lost around their home while talking about Aoi's incident the previous day. Īoi Kiryū catches Masaya Kimura groping a woman on a subway train, leading to his arrest by the authorities.
After the player finishes raping all three women, they unlock Free Play mode.
The protagonist sexually assaults two minors and an adult woman in the order of 12-year-old Manaka, 42-year-old Yūko, and 17-year-old Aoi. In Story Mode, the player controls a sex offender with a history of previous arrests. RapeLay is played from the perspective of a chikan named Masaya Kimura, who stalks and subsequently rapes the Kiryū family (a mother and her two daughters).
