The only reason I caught who the necklace sellout kid is is because I've reread Zenitsu's backstory so many times. I don't know why. It's so simple yet still so emotional.
To just want to be a somebody but your lack of confidence leaving you feeling as a nobody all the time.
I hope his master is ok. What if Muzan is killing off ex-Pillars as a precaution? Are Rengoku's dad, Uzui, and Urokodaki also next?