Part 1 - intro

Basically a girl takes "I can fix him" a bit too seriously. No but actually what happens is:
A girl struggles with depression and loneliness until she finds someone who feels the same way as her, he keeps his secrets close to him, well hidden. Maybe he will let her crack the riddle?
Also riddler backstroy lore???

TW: topics surrounding mental health issues e.g depression, suicidal thoughts, derealisation. Also smut lol.