Now I see why they said multiple songs, judging on this song just makes her seem innocent and lovestuck. That could lead to something itself tho, pretty video and nice song.

A girl who lovesick with this guy, she getting close with. She finds out he cheat on her or her delusion is real. She definitely kill the guy. She obsessed to become his ideal girl and want him to love her. It sound like she was living a lie and took the end of the relation badly.