Izuku- “Wow Kacchan! You’re so cool!”

You and Izuku were watching your friend Katsuki (or Kacchan, as you affectionately referred to him as) bounce a ball on his knee and foot

Katsuki- “I know that!” Katsuki said with a smug grin as he caught the ball and held it. Then he turned to you

Katsuki- “What did you think? Cool right?” He asked expectantly, wanting your approval