One Night of Romance with my waifu takes the player to a brothel in the prosperous city of Chang'an during the Tang Dynasty. This establishment serves as a meeting place for powerful men, beautiful women, and secret intrigue. The protagonist's main task is to use wisdom and strategy to uncover the hidden stories of the characters here. In this decadent setting, a lonely female figure awaits the patron's touch, and her yearning unfolds against a backdrop of ancient poetry and naked desire. The title weaves these elements into a single interactive narrative.

Lust Sisters begins when a car breakdown during a road trip forces the player to seek help at a secluded monastery. The nuns who reside there initially seem welcoming, but their hospitality turns out to be part of a larger, seductive structure. The protagonist soon finds himself drawn into a secret cult built on physical pleasure and arcane rules.