File:Klein Fatal Bullet character design.png

Source: Dengeki Online: http://dengekionline.com/elem/000/001/658/1658595/. Screenshot taken from Gematsu. Link; https://gematsu.com/gallery/albums/sword-art-online-fatal-bullet/january-11-2018/Sword-Art-Online-Fatal-Bullet_2018_01-11-18_006.jpg

Source for revision: https://fb.sao-game.jp/character/sao_fb.php