The Shrine Maiden of Hakucho Shrine Saves Her Sister Through Forbidden Feelings

Momiji is a shrine maiden who has harbored secret romantic feelings for Ren, her sister's boyfriend, for years. When a Death God's curse threatens her sister's life, Momiji makes a desperate bargain: she can save her sister through intimate spiritual connection with Ren. However, each encounter comes at a terrible cost—Momiji gradually fades from existence. Her voice vanishes, her body becomes transparent, and even her name is forgotten by the world. Despite this devastating price, she continues to sacrifice herself. This is a story-driven simulation game blending forbidden romance, supernatural elements, and emotional sacrifice as Momiji fights to preserve her sister's life while slowly disappearing.