"Senpai, I really like you!" Seika is a junior who has a crush on Yuika, a senior hotel lady. One day, when she is alone with Yuika in a guest room, she finds a vibrator and her lesbian tendencies explode! Meanwhile, Yuika can't refuse Seika's erotic advances and feels aroused. This side of her "sweetie" is so cute that Yuika starts to commit lesbian acts of love with Seika, regardless of whether she is in public, in the guest room, in the bathroom, in the back room, or at the front desk...