2 GB
High quality BGs for panning and zooming. You (as well as anybody else) can find a compressed version here https://f95zone.to/threads/ninisanni-scenario-v1-0-dullachan.152210/#post-103507...
Edit: You know what, just for you I'm going to upload the compressed version to itch.io. No reason not to, I suppose.
Edit2: I'm reneging, as I now realize the compresser compressed it with persistent data still inside (activated flags and spoiler save states). What a goofball.
Selen route kills me because I just cannot find the trigger to finish it and get the ending
Did you get her LINE? Doing so nets you a fair amount of points toward her route, and elucidates what seduction techniques work well on her and what doesn't.
Since all the girls are different, they're not all captured the same. Still, plenty of hints are dropped throughout the VN as to how capture Selen.
scenario 2 one day
It's an idea that's cooking. I'm taking a couple months off for now, but I have plans in the works.