That's awesome! Thanks for playing and I'm so glad you enjoyed it :3
I'll probably mainly be working on my longer projects, DD and CiQ, but I'll also be trying to get updates out for Yandere Heaven as well. Depending on how I feel next year, I might make something for Yandere Jam and Spooktober Jam again :D
It does have 3 endings, yeah :3 I won't say anything about the ending you're missing here to avoid talking about spoilers, but you have to do something quite specific to get that other ending. I made a walkthrough guide which you can find here :3
melancholy-marionette.itch.io/dawnofthedamned/devlog/434033/cgs-endings-...