After receiving spare parts for the Build Burning from his sister China, Yuuma is on his way back to the lodging house when he runs into a gang of delinquents. Yuuma risks himself to protect the parts, and is saved when Sekai and the others come running over.
They seemed to have a past.
يبدو أنّ هنالك ماضٍ مشتركًا بينهما
Sie kennen sich
scheinbar von früher.
Parecen tener un pasado.
É o que parecia.