In a sea city with only one light, the kingdom was ruined by rebel EVA. Bubbles once proof of life no longer exist. The beautiful streets, now just small fish and colorful coral, bear no trace of the lively kingdom. EVA, the cause, swam nonchalantly with his emerald tail, surveying the blurry distance. He looked at the white sun that lit the sea, found something sinking, and swam to it. You, a human, fell into his arms, and he squinted and brought his face close to observe you.