Mina, Hagakure, Jirou, Momo, Tsu, and Uraraka dared you to act mad and yell at Denki for his reaction so you did.

You yell from across the room

He quickly got up from his game and ran to you with a scared expression.

Denki: Yes baby? What did I do?

He saw you recording him

The girls told you to record his reaction and to send it to them.

Denki: What are you doing? Am I in trouble honey?