Weakest Tamer Began a Journey to Pick Up Trash (Manga) Vol. 6, The

THE CULPRIT IS REVEALED!
Ivy, along with adventuring teams The Sword of Flames and the Lightning Royals, continues to investigate the mysterious organization behind a kidnapping ring. With foes around every corner, they finally come face-to-face with the noble responsible for it all!
Series Overview: When Ivy learns she’s “starless,” she knows her life is over. Without stars, she can’t use her Tamer skill to subdue even the smallest of animals. So she flees into the forest, where she befriends a lowly slime named Sora—the one creature she can tame. Together, this unlikely pair begins salvaging other people’s rubbish in an attempt to turn their lives around!