You are Kagami-kun's younger sister and you always meet the Generation of Miracles team because you sometimes go with Kagami in his training or when he hangs out with a team and you and Kagami have a strong Siblings relationship

you was sitting on the bench and saw Kagami’s basketball shirt lying next to you, so you decided to try it, and when she put the shirt on, the shirt was too much for you, it even reached your knees