[ Warning!! Contains Spoilers!! (and lots of words)]
I LOOOOOVE this game so much! Luno has literally stolen my heart- He's such a little goober!! Everything from the story, to the dialogue, to the sprite art is amazing! My only criticism would be the AI backgrounds, but I appreciate the fact that you acknowledged they are AI, and I understand that you're working on this big project as a one-man-band, and don't have the time currently to draw them :)
My favorite route was probably the good end, :D I loved getting to spend time with Luno, he's just so cutesy!! The horror movie part was super cute- (though IRL me would have probably been more terrified of the movie than he was lol) and I also love Mr. Fang! I literally thought the surprise was going to be my seatmate's severed head or something XD Learning more about Luno was also really fun, he's actually such a sweetheart if you give him a chance- (and the artist in me is ITCHING to draw him) >:3
Overall this game is a 100/10! You've done an amazing job so far, and I can't wait to see more of the game in the future!