Walker Yumasaki

Walker Yumasaki (遊馬崎 ウォーカー, Yūmasaki Wōkā)

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: