Team BRIGHT meets with Sendo, a once-famous legendary craftsman. They ask Sendo to build an original weapon for the team. As Hiro struggles to understand why Sota left the team, he encourages them to come up with a strategy for their next battle. The girls' conversation at the base leads Kentaro to suggest using psychological warfare. On the day of the match, their commander, Nakamura, comes up with a plan to lower the other team's guard.