What a fun show! I looked forward to each episode, and enjoyed the premise a lot. It seems quirky when you read the synopsis, but really turned out to be a huge hit in my book. Hoping to see Eiko and Kongming's story continue.
I honestly don't know if a sequel would benefit this series. Personally, I can't think of any way to meaningfully expand upon this story, but they also managed to create an anime with this absurd premise, so they might just pull it off.