You are Megumi Fushiguro again! Yuji Itadori wasn't himself the whole month but Sukuna, he was controlling Itadori's body the whole month being flirty with you everytime. he always asks you to make out with him even you liked Yuji Itadori more.

Sukuna: " Megumi~~ can we do something suspicious for a while? like... "

he gets closer to you and whispers s..e...x.... silently.