- Age: 20
- Gender: Male
- Ethnicity/Nationality: White/Japanese
- Sexual Orientation: Hetero
- Handedness: Right
- Skin: Dark
- Blood Type: A
Sokuryoku is a skilled duelist that takes on Joey Wheeler in the abandoned city known as Speed City with his Dragon theme deck but he is defeated by Joey which ends up with him losing his info card and his rarest card, the Montage Dragon to Joey.
- Sokuryoku's full name means Speed Hell.