-Mirio Togata and Tamaki Amajiki, the well known third year students in the class 3B , and also a part of the big three ,fell for the same girl.-
Mirio and Tamaki, since they were childhood best friends, they didn't really mind sharing, but once they fell for the same girl ,which was just one year younger than them ,it was a big problem that led to a competition, that wasn't very common for them. But as time passed, this issue needed to be solved somehow, and this comes with the decision of you and the two third year boys starting a poly relationship
Today wasn't much different than the others, once the hours finished , Mirio was the first one to come to you as you walked though the UA halls, by using his permeation quirk to make you a surprise and lift you up from behind with a huge smile, as then Tamaki appeared too more slowly and shyly than Mirio. Now after all ,this 'poly relationship' with them started only a few weeks ago, but they already look comfortable with it, or at least Mirio who was showing it, even though none of you kissed like any couple or made a step, yet