What is “black oikage” and “black ushihina”

OHHHH mwahahahaha are you sure you want to ask this question, anon? Well, the short answer is that it’s nothing more than me applying the homestuck trolls’ quadrant system (x and  x, ❤, c3<, <>, and the one that interests us here: kismesis) to haikyuu!! shipping ….If you’re not watching/reading Haikyuu, there is not much…