Kasen Yurusmaji! An Innocent Smile and a Dirty Underwear

Kasen - Yurusumaji! - Soshiranu Egao to Yogoreta Shitagi is an adult visual novel by Hending, with 2DCG art, voiced Japanese dialogue and multiple endings. The story follows a man whose loving, outwardly modest wife begins to arouse suspicion. After a colleague shows him an erotic photograph of a woman who resembles her, and he later finds signs that she is returning home late and smelling of alcohol, his doubts grow. The protagonist's suspicions push him to seek outside help, and he meets Tokumi Kyonosuke, a detective with a sly, fox-like manner. The narrative centers on distrust within a marriage and the unsettling questions it raises about the wife's private life, with the protagonist gradually drawn into the mystery. Gameplay is primarily narrative, with explicit sexual scenes and choice-driven branching that leads to several endings. The game is censored with mosaics and is listed as a short work of roughly eight hours.