|Height and Weight||130 cm, 80 kg|
|School||Fujou High School|
|Class and Year||2-F|
He got epithet as Little Foot, he was always seen snacking, and eating lots of food.
He is very confident, even said to keep wearing a striped shirt while his weight, seems he is the most freak among their delinquents gang, although he's look like a baby he always thinks as evil and has advised Kazama Gang must famous by committing a crime.
- When childhood through to elementary school, is known that Yokoshima had been friends with Ataru Kawahara, Hiroshi Nagayama, and Kenji Kazama all of them then formed the gang called Kazama Gang.
- When incident at elementary school, Kazama Gang who get stuck in wildfire then rescued by Mr. Shawn Konekone.