Workout ideas??

hey! so i’m 13 and i’m not fat or anything i just want to have a regular exercise. i am a cross country runner so i have sorta leg muscles but i just don’t want to look big for my old schools miss munroe dance. long story but i left that school and a lot of people hate me now that i left so when i go back in february, i want to look good. please list some workouts i can do daily