7 Samurai Folding follows Jisei, a young samurai who gets lost in the glitz and glamour that comes with being a member of the famed 7 Samurai Guild.

Toshiki and Kazu Fujiwara are brothers who live an ordinary life in an ordinary world working as insurance salesmen. While Toshiki is content with this salaryman life, Kazu strives to be part of a Guild: a registered group of individuals who hunt artifacts and capture criminals. After finishing up a quest, they begin to unravel the truth: that everything is not as normal as it once seemed.