A nice little ONA. From what someone wrote on the net: This content based IP, "Xita", was developed by ByteDance company, but was put on hold in 2023 during the company's restructuring. But the team has now joined Mutong, and established studio Moonlight to continue this project. In this world, Shioto, human civilization revolve around whale hunting for survival. Massive whale with concrete skin and muscle composed of minerals and metal. The world is similar to Earth's Cambrian period, covered in a sea of clouds, which is habitable for Shioto's creature but poisonous to human, forcing them to live in highland, or in aerial vehicle. Their youtube channel: https://www.youtube.com/@Cetus-42/videos