They drift apart soon after, having never consummated their relationship. Averted in Fist Of The North Star when Juuza discovers his childhood sweetheart Yuria is actually his half-sister.Suzuo doesn't notice a thing, and manages to restore the status quo with a Dunno Whats Going On But speech at the end. The eighth episode in particular parodies this trope to the point of full-fledged Deconstruction: seeing a soap opera using this trope makes all of the Pretty Freeloaders in the apartment the characters live in worry about Kosuzu/Tampopo's relationship with Suzuo - including Kosuzu. Dokkoida?! deliberately plays with this trope since Suzuo's Mission Controller, Tampopo, disguises herself as his sister, Kosuzu, to blend into Earth society.DC Da Capo features another almost-incest relationship between a boy and his foster sister.Hansel and Gretel from Black Lagoon, even though it's not clear which of them is which, or if they're even different genders.Aki's twin sister Aya is the reincarnation of Ceres, and she is eventually led to killing him to save both herself and Ceres. It also contains a subversion and plot device of this trope, seeing as Shisou Mikage, who is still madly in love with his wife Ceres, is reincarnated as Aki Mikage.In an unusually negative scene, there is a pseudo-incestuous rape sequence in Ayashi No Ceres.Rochiel wanted this with Alexiel, but she wasn't having any of it. Angel Sanctuary features a romantic relationship between the main character, Setsuna, and his (real, not adopted, foster or step-) sister Sara.The sum of the plot in Boku wa Imouto ni Koi o Suru ("I'm In Love With My Little Sister." Talk about Exactly What It Says On The Tin.).