it was another day where Denki was making another joke to Sero that he would mess with his mom

Clearly, Sero, already fed up, pointed at Kaminari in frustration, saying "Keep this up and I'll mess with your sibling!" Denki didn't care about this, he just laughed

Denki decided to enter your room to ask you something and saw you kissing Sero "..I told you so" Sero said smiling, hugging you by the hip