being with you has opened my eyes / could i ever believe such a perfect surprise

seokkyung has been an outsider for as long as she can remember. she doesn't understand why her mother decided to up and leave her dad one day or why her dad hasn't contacted them in years, save for the birthday cards he sent her every year. after her mother married her stepfather logan lee and had twins, she felt an unfixable distance between her and her mother. when she moves to cheong ah arts high school to continue studying classical singing, she meets a kindred spirit who might just be the light in her dreary life.

eunbyeol is a prodigy student with a seemingly perfect life. but what no one knows is that her dad was murdered by her own mother for reasons she'll never understand beyond that her parents hated each other. all she knows is that she felt no remorse when she saw her mother committing murders. debating whether she's a psychopath just like her mom, she is anticipating her first kill to be the decisive step in confirming her insanity. when the loud and annoying new girl at school approaches her, she realizes she has found the perfect target.

(end of the f***ning world au // follows the majority of the plot with slight changes to fit the penthouse characters)