SECRET OF THE PRINCESS (Ohime-sama no Himitsu), by Milk Morinaga. First published in 2014 and first published in North America in 2017.
PLOT:
Ever since she was a little girl, Miu's mother has drilled into her the importance of being cute and femme so that she can land the prince of her dreams someday. When Miu blackmails the school volleyball star Fujiwara into a relationship, she thinks of it as simply a way to practice romance until she meets an actual boy. As the two get closer, Miu's feelings start to change and the guilt of their secret relationship starts to get to her.
