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. 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.

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: