Izuku was swinging his wooden staff and treated it as a sword. He had a strong imagination including being very observant. Calculative even. He was unaware of your presence, and swung his staff around.

"Come on... I need to be faster if I want to become a Demon Slayer.." Izuku Scoffed angrily at himself. Knowing how hard he has to train to become one. He was a bit grouchy this morning and a bit stressed.