I Left My A-Rank Party to Help My Former Students Reach the Dungeon Depths! (A Rank Party wo Ridatsu Shita Ore wa, Moto-Oshiego Tachi to Meikyu Shimbu wo Mezasu.) 10 (KCDX)

[Machine Translation] Yuke and his friends are trying to save the world by conquering a new labyrinth. Meanwhile, something is happening to his fellow "Full Bound" player, Zachary! Yuke, a red mage who left the A rank party he had been a member of for 5 years, is now welcomed into his former student's party, which is all girls! Yuke's true abilities are revealed one after another as he conquers dungeons. This is an adventure tale of a skilled support hero and a party of novice girls, who are warriors in reverse! With the crisis of "elimination" looming, Yuke is chosen as a hero by the golden priestess, and together with Zachalto and the other "Full Bound", he sets out to conquer a new labyrinth in order to save the world. However, Zaccardo, who fights with the trading city of Duna on his shoulders, is affected by the "Slanting Sun" that is eating away at the world, and the warped inferiority complex that is growing, and attacks Yuke, who is supposed to be his friend! The troublesome demons of the new labyrinth also attack. With regret for his late friend Simon in his heart, Yuke clashes with Zachalto!

世界を救うべく新迷宮の攻略を進めていくユークたち。そんな中、仲間である『フルバウンド』のザッカルトに異変が！？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！！"淘汰"の危機が迫る中、黄金の巫女によって勇者に選ばれたユークは、ザッカルトたち『フルバウンド』と共に、世界を救うべく新迷宮の攻略を進めていく。だが交易都市『ドゥナ』を背負って戦うザッカルトが、世界を蝕む『斜陽』の影響、そして募らせる歪んだ劣等感により、仲間であるはずのユークに襲い掛かる!! 新迷宮の厄介な魔物たちも牙を?く中、亡き友・サイモンへの後悔を胸に、ユークがザッカルトと激突する!!