Hello and welcome to hcm,
The rotated teeth are usually corrected with braces.
If you are not willing for braces,you can leave it if it will not interfere with aesthetics of your teeth.
Slightly tilting with your fingers daily can give little alteration.
Sinc you are 16 yrs,and wisdom teeth may not be erupted by this time,its better to wait untill the teeth erupts.
mAintain good oral hygiene
hope this helps.