Lui Shirasagi x reader

Lui Shirasagi was cold-hearted 14 years old blader known as the monster among other bladers with his Lost Luinor counterclockwise spin attack type bey lives alone had countless enemies but one most respected rival was Shu Kurenai with Storm Spryzen balance type bey as they competed in the national tournament individual matches finals every year it was four times champion was Lui Shirasagi but after meeting a little boy named Kengo admitted in the central city emergency hospital ward 3062 because his one leg was paralysed and stopped moving but he always wished to be like his idol hero Lui Shirasagi a blader world should know so after getting his wish fulfilled he promised to Lui that one day he will definitely get better and will battle with him and Luinor on big stage. And as a memory he gifted a box to Lui to remember it told him to open it later when he needs it most in emergency before the battle.