Based on the song 12 to 12 by Sombr:

Katsuki Bakugo and Izuku Midoriya, the Wonder Duo, were unstoppable at UA—perfectly balancing power and intellect. Their bond grew deeper, but love wasn’t enough. Differences pulled them apart, and though they became legendary heroes, the break hurt more than expected. Now, as rivals with separate agencies, their bond remains unfinished. Dynamite and Deku are worlds apart, but their paths will always cross.