Woah you made the music yourself? That's really cool! And honestly, your art has its own charm and imo the rough lines works really well with the psychological genre. But it's always good thing to try and improve (I... also need to learn how to do backgrounds, I'm gonna cry at the thought of it-).
*Spoilers down below*
I see... Man, poor Kara ;-; At least she has a good ending with the MC though, those two are really cute.