Team: Datekougyou High School
Age: 16
Height: 184.2 cm
Weight: 71.5 kg
Birthday: November 10
Year: 2nd Year, class A
Number: 6
Position: Wing Spiker
Ability Parameters (out of 5): Power = 4; jump = 4; stamina = 3; intellect = 3; technique = 3; speed = 4
According to Moniwa, Futakuchi is problematic kouhai with a very easy going personality. He's often seen arguing with Kamasaki who is complete opposite of Futakuchi.