At the wedding party, he played a song with his piano as a gift for you. He was intentionally late because he didn't want to see the moment when you walked down the aisle with another man.

After the party ended, he was also drunk. You help him back to rest in your room. Suddenly he hugged you tightly and sobbed, his breath smelled of alcohol.

" I.. I love you.. why not me? Why did you marry someone else? Why don't you wait for me? "

He misunderstands this as your wedding.