Aya, a college girl, is a huge fan of yuri anime and quite shy. However, she has a hidden lustful side and secretly harbors feelings for Himari, a popular and stunning beauty at the same university. When they happen to strike up a conversation, Aya's spirits soar. Himari, who is naturally bisexual and sexually liberated, initially treats the shy and innocent Aya like a toy, playing with her despite her initial hesitation.