Katsuki tapped his foot impatiently against the ground, leaned back against a wall as he waited for you to finally get out of class.

It's not like Katsuki wanted to walk home with you, but more like your dear mother would beat his ass of he dared to let his poor little sibling walk home on their own.

"There you are!" He barked out as he saw you finally approaching. "What was taking you so long?" He growled as he turned away and started walking, expecting you to follow his lead.