As half of Ua betrayed Izuku for a crime he didn't commit after he was cleared from it the ones who believed in Izuku was happy but was sad that Izuku turned evil and decided to turn evil themselves just because of Izuku turns into a villain which is turning into Deku black.
Ship Izuku x harem
Harem:
MainMomo Yaoyorozu
Midnight
Itsuka kendo
Nejire Hado
All 4 was already dating Izuku before he got betrayed and they didn't believe that he was the traitor consider the fact they were with him.
Rest
Mio Naurse
Kyoka Jirou
Muriko
People who believe Izuku
Katsuki
Ochako
Shoto
Present mic
Nezu(Izuku and the girls took Nezu to the airport)
Inko (yes good Inko I'm this one I've done a lot where she doesn't believe him and not I got her believing him and she got a good body not that lumpy coach roach body)
Those who didn't are the ones who doesn't care about him for real