Captorcest (Mituna Captor/Sollux Captor)
I'm so sorry.
(Not really :p)
Humanstuck!AU
My Brother's Keeper @ AO3 by nevereatdirt
Summary: Sollux Captor finds himself living with his biological father and half-brother after the death of his mother, though he finds something more from this stranger of a brother than he'd expected.
Rating: M (Started out sweet and fluffy AF but then like, "WOAH. HOLD UP.")
Warning(s): Incest (duh)