It really annoyed me that skipping dialogue was barely faster than just going through it manually. (ctrl to skip if you didn't know)
I wished it was similar to RenPy games. So I went ahead and decompiled the code with dnspy. And quickly figured out how to make it faster.
Download the attached file, put it inside \root folder of your game\Isekai Bastard_Data\Managed
Yes to replace the file.
This mod was made with v0-14. If you use it for future versions of the game, it most likely will break your game. If your version doesn't match, I strongly recommend you do it yourself, open up the spoiler below to learn how to.