A reclusive NEET boy gradually developed a longing to dress as a girl. However, with no idea how to make it a reality, he simply held onto the dream. Then one day, he resolved to learn makeup from videos and started gathering clothes. On a whim, he posted content to social media—and his followers exploded overnight. Gaining confidence, he finally found the courage to step outside into the world. No longer a "boy," he began a new life as a "girl." Her name: Kaon Takanashi. More than just cute, she was a complex and captivating presence, with a cute yet mentally fragile, yandere side.