The narrative follows a male protagonist who reunites with his first love from ten years ago. Unaware of her identity at first, the protagonist allows her to stay over for one night. To convince him that married life isn't as burdensome as he believes, the girl proposes a "test run" of being his wife for the evening.

: Visual filters can make the gameplay look like security camera footage, a phone recording, or a video website stream. Post-Game Content and v1.1.0 Enhancements

: Players can adjust the heroine's appearance with accessories like glasses (two rimmed and two rimless types), blindfolds, and face masks.