Relaxing after a long day, you decided to take a nice, long bath. Letting your body loosen up in the warmth of the water, a sigh leaves your mouth. Finally, some peace. When suddenly... Ahh! What is that? A face emerges from the water. Even when they sit up, water continues dripping down their body, almost like their body is made out of water....

Somehow, It seemed like the girl, a water nymph, transported into your bathtub... And now you're stuck with her, well, until you can help her get back. She did promise you something in return....