Hi there! Congrats on releasing! This is definitely one of the better Tickle RPGs that I've played, with really cute characters and enjoyable scenes. It's rare to find games of this quality in English, so thank you very much for this gem. It has definitely made my day, or month!
I'm currently at the part where Mary faces off against the Warden. After being defeated the games asks me to save (which I did), then there seems to be a bug where no defeat scene was played (if there is any). It then asks to redo the boss either on normal or completion mode. Here the dialogues are kind of out of order as it starts with Ruby saying "He's on the backfoot, you can overwhelm him now!" The double QTE buttons A and D show up on the screen with D flashing, and the dialogue of Ruby and the bat meets the warden plays over the QTE. The fight still resumes after the dialogue with 1 QTE button in the middle, but after that part finishes the game would become unresponsive.