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.
Sekai, settle this once and for all!
!سيكاي، فلتنهِ هذا الأمر برمّته
Sekai, bring es zu Ende!
¡Sekai, acábalo de una vez!
Sekai, gagne ce duel !
Sekai, vamos resolver isso de uma vez!