Originally Posted by Henreh
Kirito joined KoB before the Murder Case if I'm not wrong..too tipsy to reread.
Due to my laziness I just went a looked up the timeline instead: SAO Timeline - Baka-Tsuki
It happens shortly before where the book starts the 74th floor. Murder Case is April, KoB is end of October. So next week we get Dark Repulsor and then rushed Gleameyes/Asuna cooking/first hit duel with Craddil/Kuradeel after that.