A deep-sea themed rhythm tapping game with wave and whale sound effects paired with ethereal light music and deep-sea electronic music. Notes transform into bubbles, corals, and schools of fish, creating dynamic underwater light and shadow effects. Long press a note to simulate a long wave sound. Simple two-button operation, no difficult charts, immersive deep-sea atmosphere, and a silent light effect mode for bedtime play. Includes 40 original ocean tracks, unique underwater tapping sound effects, and a full-on healing atmosphere.