Yuko Yamada (山田 優子 Yamada Yūko) is AkibaYellow (アキバイエロー Akiba Ierō) of the Akibarangers. She is an office worker who is also a cosplayer, using the stage name Yumeria Moegi (萌黄 ゆめりあ Moegi Yumeria). In Episode 4, it is revealed that she got married in between seasons 1 & 2, and her new name had become Yuko Yokoyama (横山 優子 Yokoyama Yūko).