Thanks so much for taking the time to go through it and drop a comment :3
I was kinda hoping to make one of the numbers on the telephone Nyari's number after she gives it to you, but there just wasn't time to add a bunch of extra things like that >.< It's not really an ending as such, but there is a bit of extra content with Nyari if you speak to her on all of the break times :3 I won't say any more than that because spoilers, haha.
It's funny you mention DLC though because Lazy Polar Bear and I were discussing wanting to expand on the game sometime in the future in one way or another, and I suggested maybe making either some kinda DLC or spinoff type thing possible for Valentine's VN Jam since the current version of the game doesn't feature any sort of romance. I just wanted to write something without romance this time around because all my other games have had romance stuff in so far x3