Looking for a story about a cheerleader who has to become the head cheerleader slave
Maybe not exactly what you are looking for, but you might check out this one of mine:
https://storiesonline.net/s/47259/cheerleader-tryouts
Based on the description here are some possibilities.
Cheerleaders Torment by James Dawson
The Initiation by Just Anybody
Invitation to an Initiation by Tendal Braxis
Becoming a School Slut by bydasea
https://storiesonline.net/s/12267/becoming-a-school-slut-erotic-sex-story
Synopsis: Attending a new school and wanting to be a cheer leader, young Wendy gets caught in a trap to make her a slut and whore for the Captain of the squad. She is encouraged to do an initiation which exposes her naked body in the school and then is blackmailed to do as the captain says. She will do anything to stop her parents from seeing what she did and only gets in deeper. But, she didn't have to worry because her parents already know and helped set her up.
Sex Contents: Much Sex
Genre: Erotica
Tags: Ma/Fa, mt/ft, Ma/ft, mt/Fa, Fa/Fa, ft/ft, Fa/ft, Consensual, NonConsensual, Reluctant, Coercion, Blackmail, BiSexual, Fiction, Slut Wife, Incest, Mother, Father, Daughter, Spanking, Humiliation, Gang Bang, Group Sex, First, Oral Sex, Anal Sex, Masturbation, Sex Toys, Bestiality, Squirting, Water Sports, Exhibitionism, Analingus, Teacher/Student, Workplace, School, Nudism
Another School Slut by bydasea
https://storiesonline.net/s/30458/another-school-slut
Synopsis: Sally was new in the area where the school gets a new slut each time an old one graduates or moves. This time it was her who fell into the trap just as Wendy Williams did many years before. Her story is told here.
Sex Contents: Much Sex
Genre: Fiction
Tags: Ma/Fa, mt/ft, Ma/ft, mt/Fa, ft/ft, Fa/ft, Teenagers, Blackmail, Coercion, NonConsensual, Lesbian, BiSexual, Heterosexual, Fiction, School, Incest, Mother, FemaleDom, Humiliation, Gang Bang, Group Sex, Interracial, Black Male, Black Female, White Male, White Female, Oriental Male, Oriental Female, Hispanic Male, Hispanic Female, Anal Sex, Bestiality, Exhibitionism, Oral Sex, Water Sports, Public Sex, Small Breasts, Teacher/Student, Nudism, Illustrated