During the school year, a girl got a chance to be friends with someone in Japan. She wrote to her pen pal all the time and they wrote back. She found out that their name is Kageyama Tobio, and she also told him her name, Alexandria Sugar. They both like volleyball. She told him that she liked it but not too much, he said one day you'll love it. Then one day, while watching a school called Karasuno play in nationals, she fell more in love with volleyball. Her family was volleyball players. Her father, mother, and stepmother taught her how to play. Later in life, she is on a volleyball team and playing against other teams around the country. One day, she gets a call from someone. What will happen will she meet someone? Or teams who will change her point of view on volleyball forever?

It's about two mystery girl . One of the girl is a superhero in her village but when somebody talk to her she pretending being a bad girl. The village call her the mysterious man/ girl. But her family didn't know that her daughter is the mysterious girl her name is " Amelia Lousy". The other girl is called " Black and white" the empire of the universe.Her name is..... First she is as kind as the Mysterious Girl but most of her village said that she's not kind as the Mysterious so she became a bad girl.