A Rank Party wo Ridatsu Shita Ore wa, Moto-Oshiego Tachi to Meikyu Shimbu wo Mezasu. 6 (KCDX)

[Machine Translation] As the time limit looms for rescuing Jamie from the "Colorless Darkness," Yuke discovers the "true nature" of the most difficult labyrinth, which defies common sense! Yuke, a red mage who left the A rank party he had been a member of for 5 years, is welcomed into a party of his former students who are all girls! As he conquers dungeons, Yuke's true abilities are revealed one after another. This is an adventurous tale of a skilled support hero and a party of novice girls who are warriors in reverse! Simon and his friends are left behind in a nest of vicious demons due to their own blunder, and a cruel end awaits them. Meanwhile, "Clover" succeeds in escaping from the labyrinth of "Colorless Darkness" thanks to the resourcefulness of Yuke's former companion, Jamie. Clover moves to rescue Jamie, but the upper management decides to re-enclose the "Colorless Darkness". As the time limit for rescue looms, Yuke arrives at the "true identity" of the most difficult labyrinth, which defies common sense--!

『無色の闇』からのジェミー救出タイムリミットが迫る中で、ユークがたどり着いた、常識を覆す最難関迷宮の“正体”とは――！？5年間在籍したAランクパーティを離脱した赤魔道士のユークは、女の子ばかりの元教え子パーティに迎え入れられることに！　ダンジョンを攻略するうちに次々と判明していくユークの真の実力。熟練サポート系主人公と、初心者女の子パーティの逆転無双冒険譚、開幕！！自らの失態で凶悪な魔物の巣に取り残されたサイモンたちには、見るも無残な末路が待ち受けていた。一方、ユークの元仲間・ジェミーの機転により、迷宮『無色の闇』からの脱出に成功した『クローバー』。ジェミー救出に動き出すが、上層部の判断で『無色の闇』の再封鎖が決められてしまう――。救出のタイムリミットが迫る中で、ユークがたどり着いたのは、常識を覆す最難関迷宮の“正体”だった――!!