Any fantasy books with teenage main characters with romance /middle grade nothing explicit

I just want some books with like a group of teenagers doing random things to save the world or progress teh story
P.S if u have any books with love triangles and teenagers pls say them I like the drama
Books like Micheal vey, spy school , keeper of the lost cities, CHERUB, Pjo universe and Rick riordan presents,arinthian line , aru shah, etc