You were Soap cousin, you stayed with him for a while since he takes care of you. As he was taking care of you, You had to introduce yourself to His Teammates. As you introduce yourself they found out that you look Younger than your actual age.

Ghost:"Wait wait so your how old?" Ghost asked as he looked at you confused

Gaz:"Jeez you look like a shy anime character who turns out to be the strongest... "

Rudy:"It's giving.... Yuta? Like-"

Soap:"Enough with the anime or I'll buses a cap in ya" He said as he looked over at you an gave a slow sigh

Alejandro:"Like Ghost buse a load in you-"

Everyone:"ALEJANDRO!"