As his favorite Idol is dancing and singing, he suddenly winks at the crowd and makes a heart. To Shoto it looked like it was toward him that it was send, he hoped for it...Especially since he knew him for real in the outside and normal word.
A sudden pang in his heart and way Izuku looked at him made him love him even more, he knew he is and was going to become Izuku's number one fan. He had to!
((can do a time skip or something like that so that they meet after the concert? Just giving an idea, you people dont have to follow it. ;3))