About to re-read Cursed World: Initial Sparkswhen I get some extra time.
Just going to post the author's summary
Has a neat magic system, and characters' actions have very real consequences that don't get walked back.In a small town far to the north, a young girl wakes up for what will be the start of the most important week of her life. Join our heroine Rei Scios as she deals with transfer students, romance, ruffians, and the encroaching realization that the supernatural is probably very, very real. Adventure awaits as Rei's small town life is slowly turned on its end. Will she find love? Will her birthday go off without a hitch? Will she and her friends survive? There's only one way to know for sure...