It heavily incorporates themes of Netorase (wife sharing) and cuckoldry, where the husband receives erotic photos of his wife taken by another man.

As I searched for information related to the keyword you provided, I came across a name: Hana. Although I couldn't find extensive information about this specific individual, it's clear that she has gained a following within the gravure community.

is an adult visual novel developed by Fallen Eros that serves as a direct sequel to the popular title Indecent Wife Hana . Picking up from the "Hana End" of the original game, this installment focuses on the protagonist's discovery of his wife’s secret past and the erotic consequences that follow. Plot and Gameplay Mechanics