Ep. 6: Sakura recalls his sister when Aya is kidnapped and her organs are stolen.

6

Sakura draws parallels between Aya and his deceased sister upon discovering she has been abducted. It is revealed that her organs have been surgically removed by the perpetrator. The responsible party is identified as Yakoo, a surgeon who operates out of a mobile medical laboratory. To rescue Aya before further harm occurs, the group Weiss must track down this moving facility. The narrative focuses on the urgent effort to locate Yakoo's mobile unit and save the victim from the illicit medical procedures.