A beautiful sister duo and their childhood friend were deeply connected. However, their feelings gradually diverged, triggering an unimaginable nightmare. The younger sister, Ai, confessed her love to Mutsumi, and it seemed as though a pure romance would blossom. Yet Mutsumi continued to harbor feelings for the older sister, Honoka. The hearts of the three become entangled in a twisted love triangle, drawn into a messy, emotional quagmire as they strive to fulfill their desires. This intense passion and inner conflict lead to a deeply gripping story.