Team: Datekougyou High School
Age: 16
Height: 191.8 cm
Weight: 88.2 kg
Birthday: August 13
Year: 2nd Year, class A
Number: 7
Position: Middle Blocker
Ability Parameters (out of 5): Power = 5; jump = 3; stamina = 3; intellect = 3; technique = 3; speed = 4

Main pillar of Datekou. Even though Aone never smiles and seems serious and scary, he actually has a very kind heart. Futakuchi said that Aone has a habit of "locking on" to you if he knows his opponent is an ace.