R18 2D pixel action game where you play as a nun surviving in a monster-invaded church castle, protecting her body and mind while solving the mystery.

A sexual exorcism simulation ADV in which a sister possessed by a "liar devil" is disciplined by making her body "honest" through touching. Features touch-based Live2D interactions with themes of sister/nun, possession, shame, and sense of immorality in an erotic FLASH-style game.

An action RPG where you control Iris, a saintess turned vampire, as she explores a 5-floor dungeon in a labyrinth city to find a relic that can seal her powers and return her to human form. Features combat, erotic enemy attacks, progressive corruption, and 8 multiple endings including bad ends.

SiNiSistar 2 is a simple 2D action RPG where you control an exorcist sister fighting abominable creatures in the cursed town of Alcezon and its surroundings. Delve into dungeons for the main quest while tackling optional sub-quests, with themes of despair, ruin, masochism, and grotesque defeat scenes including predation, pregnancy, and monster transformations.