Yuu Yamashita has a Sub Character Design credit for Sword Art Online II.
sub character design
TV anime / 2014
main animator
TV anime / 2008
character design
TV anime / 2011
TV anime / 2016
Movie / 2021
Movie / 2020
key animation
OVA / 2011
Movie / 2010
key animation (eps 2, 7)
TV anime / 2000
in-between animation
Short TV anime / 1999