prologue

"Obaa-chan is coming is coming over this weekend," Mitsuki said quickly. Katsuki could hear a small amount of guilt in her voice, but he decided to ignore it.

"Whatever. I'll be home anyways," Katsuki said boredly.

"I told her you're in a relationship," Mitsuki admitted sheepishly.

"What the fuck?"

"With Izuku."

Completed.