[Machine Translation] The second level 99 is approaching for Musou Okusan! In the "back dungeon" that appeared in a world without a demon king, vicious monsters and unknown treasures await! Yui, a martial artist level 99 and a member of the heroic party that saved the world, has changed to a level 1 Okusan and is now attacking the "Back Dungeon" with her husband, Lyota. But then, a wizard girl who claims to be "my husband's fiancee" shows up... and there is a sense of upheaval ahead! And in the second level of the back dungeon, the strongest and worst boss imaginable is at the bottom. !!!!! The Diary of a Warrior Martial Artist's Newlywed Dungeon Attack!