Ep. 51: Ren confronts amnesiac friends and battles Karma using his phone's mysterious voice

Ren faces deep despair upon encountering Aoi, Minami, and Akira, who have lost their memories. Just as hope seems lost, a familiar voice transmits through his smartphone. Drawing upon the last of his energy, Ren uses the device to challenge Karma directly. The confrontation forces Ren to rely on this unexpected aid while fighting against his opponent in a final, intense clash that determines the outcome of their struggle.

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