English walkthrough

[Aselia]

Are there any english walkthroughs to this game?

[NVLMaker]

There is a fan made English guide based on the Chinese version.
https://steamcommunity.com/sharedfiles/filedetails/?id=1245826996

[XAntohaX UA <3]

I don't know if you will find such info still useful but here answer from the future

Here is a guide for the game choices
https://steamcommunity.com/sharedfiles/filedetails/?id=1595176463

Guide for puzzle solving
https://steamcommunity.com/sharedfiles/filedetails/?id=1245826996

But it looks like, you will need to follow it step by step without doing anything out of order which will make the game walkthrough linear.

At least, you will be able to reach ALL endings as well as check the full story (side stories are not translated, so you won't able to read them)