​Emi, a high-school girl, finds herself faced with a sudden twist of fate on her eighteenth birthday. Just as she gathers the courage to confess her love to her step-brother Tomomi, debt collectors arrive and take away all her father’s possessions. Tomomi goes missing, leaving Emi devastated. Determined to find him and express her feelings, Emi embarks on a journey that unravels a hidden side of her personality named Amy. While Emi is timid and reserved, Amy is driven by her deepest sexual desires and fantasies. Join Emi as she explores her newfound identity and strives to reconcile both her love for Tomomi and her intoxicating desires in this captivating story.​