johnkat species swap au: john doesnt need no moirail, but unexpectedly falls in the pale with karkat. then he tries to be super romantic and seduce karkat. who is worried that john wants to do sex?? aliens?? how does their culture work? karkat is like yo im asexual and john is all how is that a thing, dont the drones kill you? anyways where was i. eventually they get pale married. the end. sorry i didnt mean to write a whole plot out.
john is purring to soothe karkat. karkat is nonplussed.