Gravity Falls 1920s Dipper X Yundere! Rich! Reader

Its a normle night fore dipper pines. He was baored so he went to a praformence held by the one and only cassity hills!

When he's waching the praformece cassity comes to his table and he turnes head over heels fore her...and so does cassity. But she has a secret she was born with a secret mentall disorder. So she will do eanything fore dipper.....eaven....kill.....evry girl in gravity falls untill dipper..........is....hers......