Thank you for the wonderful message! I'm so glad to hear you enjoyed the flow of the game.
Regarding your questions, I've already started working on a new project with a different theme. However, I might revisit this world or create a sequel in the future.
I post updates about my current work (including the new project) on my website below. It's in Japanese, but I’d be honored if you’d take a look if you're interested:
https://ci-en.dlsite.com/creator/30822
Also, I have an article on the same site that provides hints for reaching 100% completion. It lists the conditions for all reactions. It might be a bit challenging to read in Japanese, but I hope you find it helpful:
https://ci-en.dlsite.com/creator/30822/article/1667561
Thank you again for your amazing support!