The Prom-Us

Blaine realized he was in love with Kurt after he sang Blackbird, but he never said anything, so Kurt returned to McKinley. Blaine transfers there for senior year, and they are best friends. Then, Karofsky shows up at McKinley, out and Proud. He keeps asking Kurt to prom until he blurts out that Blaine is his boyfriend, and they are going together. Too bad it's a lie. Collab Fic.