Sisterly Bliss Don't Let Mom Find Out – anime novel, which centers on the story of two charming twins. Throughout the plot, the relationship between them goes through several phases. At first, it is just family ties, but gradually they flow into something more intimate, namely, full-fledged sexual relations. The hentai novel Sisterly Bliss Don't Let Mom Find Out contains a huge amount of erotic content and an abundance of bed scenes.

The sisters' names are Ichiki and Futaba. Each girl has her own unique appearance and character. For example, Ichiki is a more open and extroverted heroine. She is quite relaxed and open to other people. Futaba is an introverted and closed person, but very purposeful, pursuing her own interests. However, what connects the girls is a love of adventurism. The fate of the heroines is directly influenced by the players.

The gameplay is presented by classic novel mechanics. A dialogue box is available, allowing you to choose one of the available dialogue lines. The choice of a line affects the further development of the storyline. Players themselves decide the fate of the main characters. Forks in the plot allow you to see one of the prepared final scenes. Choices must be approached with full responsibility, because each decision can radically change the course of history.