I'm gonna make a bold prediction: Kotomi randomly wins and goes full Evil Overlord, but then sees a giant stack of paperwork in the student council office. Smash cut to Shino suddenly being president again.
"Her rein lasted two minutes."
It's curious that nobody objects to the bisexual line at the end. Would be super interesting if it turned out Aoba was bi, but the "no shits given" kind.