Ahh thank you so much for your lovely comment! What a nice way to wake up. Thanks for mentioning that, there were a few errors made when I added in the pronoun feature, I'll be going through to fix those soon!
Ending 3 is achieved by playing through Braums' route and getting his 'good' ending as a Shika, I believe. You can also raise Paris' points in the intro depending on which guild emblem symbol you pick! However, getting past 80% won't unlock any new content.
Thanks for playing and I'm so glad you enjoyed!