Dark/toxic/ psychological

Dark theme: blood, vampires
Top:
Bottom:

Fluff(?)

Dark theme: train grape, public sex, mix up, alpha/omega
Top: sadist, master/dominant, alpha
Bottom: omega, got non- conned

Dark themes: blood, vampires, violence, hierarchy, poor/weakthy, half bloods
Top: serious, dominant, poor, sadistic
Bottom: super submissive,masochist, wealthy, vampire

Dark themes: vampire, blood
Top: vampire
Bottom: blood bag(basically)

Theme: slightly toxic
Top:arrogant, boastful, rude, homophobic
Bottom: gay, strong willed, assertive(stands up for himself)

Overall getting fluffy

Dark themes: Momsters(?), insanity, suicide, blackmail,
Top: entity(?), violent(towards women), manipulative, killer
Bottom: suicidal(?)( wants top to kill him), manipulative ( in a way), manipulated,

Dark theme: bullying, violence, obsession
Top: obsessive( over bottom) masochist/ sadist,
Bottom: bystander( to bullying),