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Playing With / Brother-Sister Incest

Basic Trope: A romantic and/or sexual relationship between siblings, or half siblings related by blood.
  • Straight: Siblings Alice and Bob are very much in love and secretly hide their affection to avoid scorn from their peers.
  • Exaggerated: Alice is in a Sibling Triangle with two brothers… who are also her brothers. This is only the beginning of an overtly complicated Love Dodecahedron constituted by all of their Massive Numbered Siblings.
  • Downplayed:
  • Justified:
  • Inverted: Alice and Bob hate each other and are trying to kill each other.
  • Subverted:
  • Doubly Subverted:
    • But it turns out that Charles is related to them too!
    • After they give up, a series of improbable events leads them together again. They take this as the universe's blessing, and go ahead.
  • Parodied:
  • Zig Zagged: Their parents find out about their relationship and are horrified, separating Alice and Bob so they can never be together. During which time one or both of them painfully learn to let go of their love which apparently was not meant to be. Only to eventually meet later in life where their feelings are immediately rekindled.
  • Averted:
    • Alice is an only child.
    • Alice does have a brother, but they have a normal relationship.
  • Enforced:
    • The author fantasizes about that.
    • The author is using incest as a plot point to create drama between Alice and Bob.
    • The author is using incest to make a point about society.
    • It's based-on-history work, about culture that Brother Sister Incest is common. It's nothing more than the author show that he did some research.
  • Lampshaded: "I know society will never accept us… but I don't care…"
  • Invoked:
  • Exploited: Bob is a corporate CEO, and his competitor, John, lets the story loose, intending to ruin Bob and remove his competition.
  • Defied: Alice rejects Bob's advances.
  • Implied: Incest Subtext
  • Discussed: "Bob, this is wrong… we're brother and sister… nobody will ever understand…"
  • Conversed: "That's disgusting. I can't believe that sicko Bob is doing… that to his sister. His sister!"
  • Deconstructed:
    • Society conditionally won't accept Alice and Bob's love, driving both into a deep depression from the constant harassment they receive just because they're together, ruining the happiness in their relationship.
    • Alice becomes pregnant, and the baby exhibits all the health problems associated with inbreeding, such as mental retardation and genetic diseases.
  • Reconstructed:
    • Alice and Bob decided to move far away, where the society that couldn't accept them can no longer hurt them. And lead a happy life together.
    • The Doctor informs them that their baby is unhealthy because it was born prematurely, and that inbreeding had no factor.
    • The baby manages to overcome their short comings as they grow older, proving that they were not as unhealthy as feared.
    • Their baby's disabilities mean the kid also gets awesome superpowers, which make up for it.
    • Neither of them ever wanted to be a parent, so they just don't have children.
    • Or if they want to be parents, they decide to adopt.
  • Played For Laughs: Bob and Alice's parents grill him just like all of Alice's new boyfriends.

You can go back to Brother-Sister Incest if you like, but… seriously, that's just wrong…