Walker Yumasaki

Walker Yumasaki (遊馬崎 ウォーカー, Yūmasaki Wōkā)
 * Like his female friend and companion, Erika, Walker is a very passionate otaku and manga reader, although he doesn't share the same love for yaoi that Erika does. He and Erika are nearly always together. He also likes to perform torture by letting the victim to choose a light novel or manga, and carrying out the contents.
 * He seems to be carefree. He also keeps a wide dumb smile most of the time. But this smile can hide more than people can see at first glance. Like Erika he is very mysterious person.
 * He is a member of the anonymous online gang Dollars. He was also a member of Kadota's gang.
 * In the later episodes, Walker was asked to remain inside the van for the invasion of the Yellow Scarves, because he "stand out too much". He can also be seen with Erika in the hospital in the last episode, with her head on his shoulder.
 * In the later episodes, Walker was asked to remain inside the van for the invasion of the Yellow Scarves, because he "stand out too much". He can also be seen with Erika in the hospital in the last episode, with her head on his shoulder.

Anime
Anime specific spoilers about this character per episode.

Episode 01:

Episode 02:

Manga
Manga specific spoilers about this character per volume/chapter.

Volume 01:

Light Novel
Light Novel specific spoilers about this character per volume/chapter.

Volume 01:

Trivia

 * Uniquely, his face resembles Gin Ichimaru in Bleach.