Here it is the character who is extremely popular with the girls, Shoto hahaha, it seems that girls are attracted to guys with daddy and mommy issues, but that is just barely the surface of Todoroki's character.
Staring off as arrogant, serious, and totally resentful and filled with fake pride, Todoroki evolved into a more relaxed character, also learning to know the importance of opening up and counting on others, his past actions made him kind of an asshole, resembling very much the actions of his father, this is why many students from other schools have a little feeling of disgust when it comes to Todoroki; but he acknowledges his toxic behaviours from the past and is willingly to correct them.
The first time we see the complexity of his character and the problems he has with his family, was on the UA sports festival when he fought against Midoriya, he was completely lost in anger, totally filled with pain, and completely lonely due to his wounds caused by his own family, denying to use his fire power, Midoriya finally made him realize he is his own person with his own quirk, and in order to be a hero he needed to give his 100% to win. Thankfully Shoto realized that and finally started to accept himself.
When I think of Shoto, I feel happy to know that he was blessed with having good friendships like the one he has with Midoriya and Bakugo, I think that if it wasn't for the influence of his good friendships, especially Deku, he would've taken a darker path on his life.
Later on we see Shoto getting a little bit left behind, starting out strong in the series as far superior to the others, even entering UA by recommendation, the other ones started catching up to him and even surpassing him, he was one of only two students to fail the hero license exam, and he also lost in the battle against Class 1-B. But still he is going on strong and improving himself as a hero and as a person, even willing to forgive his father.