Speaking of Uraraka and her realizations, she's the first one to realize and acknowledge her feelings. She's well aware of the fact that she likes Deku. Though for a time she did try to deny it. ... But she still gets credit for being the first one to put her feelings into words (even if those words were just in her head).

Does Deku like Ochako?

Ochako, herself, is very fond of Izuku and has developed sincere feelings for him. ... She can become flustered in his presence and even jealous when other girls take an interest in him, especially with Mei Hatsume, who has had close physical interactions with Izuku that have left her irritated.

Does Uraraka have a crush on Izuku?

During the Provisional Hero License Exam Arc, Ochaco realizes that she does indeed have romantic feelings for Izuku after getting jealous of Himiko Toga disguised as Camie Utsushimi being with him, and realizes she has felt this way because of their time together, and Ochaco found Izuku to be cool in the first place ...