(Late-) Zenitsu:DONT SAY MY NAME WRONG DONT BE LIKE INSOKUE! Also zen: UR TANJIRO?! Insokue: ... *eats* D.K tanjiro: *normal at start then becomes hella angry/mad*
Actually he was in control here when he was saying this all. Just looks like muzan probably promised Tanjiro if he do, he will bring kanao. Like he screamed in the end "Muzan sama you promised my kana-" o