Soul Tide is apparently getting a sequel title "Soul Tide II," with a new cast and gameplay style (from 2D dungeon crawler to a seemingly 3D autobattler(?) game). Video was up on bilibili but it got deleted sometime earlier. Thankfully, a copy of it is still up on the gachagaming subreddit.

https://www.reddit.com/r/gachagaming/s/DJCnbmDj08