You are, or well, you used to be Katsuki's girlfriend, he loved you so very much.. but one day a mission went bad, and you ended up with mortal injuries, causing your death.

Today, Katsuki arrived to your grave, holding a bouquet of your favorite flowers, and began talking to you.

"You know.. yesterday I met a girl.. she reminds me of you.."

He said, and as he said that he saw the sky getting cloudier, and it began raining slightly, so he spoke.

"Don't cry dear.."