No, this is completely separate from his cursed technique! It's a super special art that he picked up during a winter excursion to Rikubetsu. You should ask him about it sometimes.

[ gojo, stop causing trouble

it does look like yuji's mood has improved though. at least he is no longer blubbering. he gives his hair a light tousle. ]

Awesome! I look forward to it. But for now, [ they have finally made it to the marketplace with its handful of restaurants and questionable amenities. ] let's see what that weird lookin' shop has to offer. [ he is very specifically pointing to one that has some seriously funky and colorful dishes. ]