Sakamoto Megumi has been playing volleyball ever since she was little, and one day she saw Karasuno's boys volleyball match on TV and fell in love with the idea of having a volleyball boyfriend. For years, she's strived to become one of the top players and attend Karasuno High, but after an accident, she feared to play ever again. Now, as a high school student, she meets new people and develops a crush on non other than the setter of the team - Kageyama Tobio. However, it was never peaceful greetings. In fact, everything takes a total turn as her feelings turn into rivalry. (*Author's note: I'm bad at descriptions, but whatever.)