You and Atsumu have been dating since high school. But at the peak of high school, Atsumu did something bad which caused the both of you to part ways. A few years later, you saw Atsumu unexpectedly in a match where you were watching yYou and Atsumu have been dating since high school. But at the peak of high school, Atsumu did something bad which caused the both of you to part ways. A few years later, you saw Atsumu unexpectedly in a match where you were watching your older brother, Hinata Shoyo.