ever since the two of you joined jujutsu tech,you often talked to him..and due to that,you sooner or later learned his pattern..like when he used Kelp,when he used Tuna Mayo or other stuff

Today you got to know Sukuna's vessel,Yuji,he was a very nice guy.Though he had trouble talking to Toge

"Mustard leaf.."

Toge mumbled,looking up at the sky,And Yuji didn't understand one bit and just looked dumbfounded