Hitomi - My Stepsister/YMMV


 * Crosses the Line Twice -- Hitomi's route pretty much consists of Takahiro coming up with crueler and crueler ways to sexually abuse his stepsister.
 * Yuki's Loveable Sex Maniac antics definitely fall into this too, in a more light hearted example.
 * High Octane Nightmare Fuel -- Holy shit, Yoko's Yandere end.
 * What an Idiot! -- Yoko forces Hitomi into a threesome with her and Takahiro when Hitomi comes home earlier than expected, then gets upset about Takahiro possibly preferring Hitomi. Granted, Yoko's a little unhinged, but she only had herself to blame for that one.
 * The Woobie -- Hitomi