It's a 2ch thing, abbreviating kuwashiku (詳しく, "in detail"). Compare with ktkr (Kita kore, "There it is!") and wktk (Wakuwaku tekateka, "I'm so excited/can't wait!").
That was when Patchy did or did not thrust her Royal Flare into my precious nightless castle right before Koa's eyes...Kyaa!Hm hm hm. That was before you'd come here, Sakuya, so I'm sure you don't know the tale.Eh!?Wha... What did you say!?It's not something that happened these past few years, is it?Let's see... Perhaps it's time for a stroll down memory lane.I feel kind of self-conscious.the night of the full moon that Patchy, Koa and I got intimate!!...Oh, how nostalgic. The time when Koa was sealed in that barrier...Well, since I wasn't here, there's no way I could have known.Yes! It was * Milady in nightwearsauce plz!!T-T-This means I'll have to summon Lady Patchouli and hear each person's version of the story!!Milady, please wait a moment!!Th... That's not it! It's not...*squeeze*