In season 2, Group 113 begins to doubt their ethics and their actions, causing the numbers to clash. It ends with everyone defecting. Tuo defects last, after a nearly deadly confrontation with Mikiya.

Group 113, now under Kemu's leadership, decides to lead the rebellion in Judicia. They relocate to Rembridge to merge with a branch of the TLF. From there, they move to South Tekago, in which many die or are captured.

In season 1, TUO joins Group 113 and trains in preparation for the execution of Operation 17C. During this mission, Tuo performs heroic feats which impress her peers and elevate her to war hero status.