->''"Even though we're not related by blood..."''
-->-- Too many [[BrotherSisterIncest incest]] {{hentai}} to count.

->''"No marriage may be effected between [[IncestIsRelative lineal relatives by blood, nor between collateral relatives by blood up to the third degree of relationship]]; [[ValuesDissonance however, this shall not apply between an adopted child and any of the collateral relatives by blood on the side of the adoptive relatives.]]"''
-->-- Article 734, Civil Code of Japan. [[TruthInTelevision The prime source of this phenomenon]].

->'''Jack:''' What's coming?\\
'''Locke:''' Something mysterious, but first here comes a father and a son. And a Korean who speaks perfect English, but nobody knows it yet. Oh yeah, there's also a hot blonde who's had sex with her brother, but they are not blood related so it's okay... kind of.
-->--''Series/MadTV's'' ''Series/{{Lost}}'' parody

->''"The main characters are your standard JRPG pick-and-mix. There's the pretty-boy hero who comes across as wetter than a swimming pool in New Orleans; the angry, immature girl who secretly craves pretty-boy cock; the hero's ADOPTED sister, whose non-blood related status is made abundantly clear to a somewhat suspect degree.''
-->--''ZeroPunctuation'' on ''VideoGame/ValkyriaChronicles''

->'''Matt:''' [reading text] I'm tired of my sister- She is your cousin A. And B that's still [[KissingCousins terrible]].
-->--''Matt from Two Best Friends '' as he plays a [[https://www.youtube.com/watch?v=hj2AxqffSlo Bible Black game]]

->'''Sora:''' And that's my gamer sister!\\
'''Shiro:''' Who's not related by blood.
->'''Sora:''' Who's ''not'' related by blood!
->'''Shiro:''' Let me sit on your lap.
->'''Sora:''' Did I mention she's still not related by blood? Cause it would be totally weird if she were related by blood. So it's a good thing she's not related by blood. At all.
->''{{Beat}}''
->'''Shiro:''' I ''am'' eleven though-
->'''Sora:''' LALALALALALALA I'M NOT LISTENING!
-->--''Gigguk's''' ''LightNovel/NoGameNoLife [[AbridgedSeries in 7 Minutes]]''


->''"Now, you may discover that your sister is adopted. She may actually be your stepsister or your cousin. In such special circumstances, [[SuddenlyShouting STILL]] [[DefiedTrope DON'T HAVE SEX WITH HER, YOU DEGENERATE, GARBAGE HUMAN BEING!!]] JESUS H. CHRIST, [[UnwantedHarem THERE ARE HALF A DOZEN BEAUTIFUL,]] [[BuffySpeak NOT-RELATED-TO-YOU-AT-ALL]] [[UnwantedHarem WOMEN IN YOUR LIFE RIGHT NOW,]] [[WhatTheHellHero WHAT'S WRONG WITH YOU!?]]"''
-->--[[https://youtu.be/6FmtiDbg4xY?t=10m6s How to Survive a Harem Anime]]
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