Fallen Parttime Wife __hot__ Here

The "fallen" aspect refers to when the "part-time" wife unexpectedly catches feelings for her husband.

: The "fall" typically begins with small emotional lapses—feeling overlooked at home or revitalized by the attention of someone new. fallen parttime wife

You can find more detailed database information and user ratings on the Visual Novel Database (VNDB). The "fallen" aspect refers to when the "part-time"