Yuke, a red mage, quits his A-rank party, Thunder Pike, because he feels they don't appreciate the support he provides. While seeking a new party, he encounters one of his former students, Marina, who invites him to join her new D-rank party.

Clover's first stream has drawn a lot of attention, so they accept another quest in a forest that's been taken over by a magic beast.

Clover's success in slaying the Zarnag draws more attention to them—and draws Thunder Pike's attention back to Yuke.

Clover begins its investigation of Achromatic Darkness... and already trouble is brewing.