Reunion (S01E06)

BB, the enigmatic figure who unexpectedly shows up in front of Justice, leads him to a tattoo research facility operated by the Kingdom in Japan. BB's intention is to dismantle the lab and liberate the innocent individuals trapped inside. Impressed by BB's formidable abilities, Justice begins to see him as a genuine "hero of justice." Meanwhile, Arya has reached Japan and heads to the tattoo ruins as part of her own scheme.