Kanako and Laura Palmer

The similarities are ridiculous, spoilers of course
Kanako and Laura both were sexually abused by their father
Kanako and Laura both got their friends into prostitution
Kanako and Laura both prostituted themselves
Kanako and Laura both sold drugs
Kanako and Laura both had sex with their therapists
Kanako and Laura both seem like good people, but are exposed as bad
Kanako and Laura both really like to corrupt people (debatable)