Commission Synopsis: When Takashi's group finds an abandoned mall, they all decided to split up to scavenge for supplies, except for Shizuka who decided to go on a shopping spree instead. During the midst of that, she encounters a small American boy named Nathan. With no one around and danger lurking in every corner, she decides to bring him back to everyone for his own good. Though she didn't know at the time, Nathan was going to be a "crucial member of the group", in more ways than one...