Lefiya dreams of fighting in the dungeon beside someone she admires: Ais Wallenstein! When monsters attack the Loki Familia camp, will Lefiya be able to prove her worth?
The members of the Loki Familia recover from their most recent adventure. After a long day of errands, they visit Loki's favorite tavern where Ais runs into a familiar face.
A day at Monsterphilia turns deadly when some of the monsters escape. While Ais tracks them down, a powerful monster attacks Lefiya and the twins.
Ais and the others get tangled in a brutal murder on the 18th floor. Meanwhile, Loki and Bete investigate the strange plant creatures involved in the Monsterphilia incident.
Loki attempts to get answers from Lord Uranus. Meanwhile, as the battle rages in the dungeon, Ais finds herself crossing swords with the murderer in a fight to the death.
Riveria chaperones Ais as she takes on a brutal boss alone. On their way out, Ais discovers an unconscious, but familiar, white haired boy, and decides to take care of him.
A mysterious figure sends Ais to investigate the 24th floor where she teams up with the Hermes Familia. Meanwhile, Dionysus sends Filvis with Lefiya and Bete into the dungeon.
Bete confronts Filvis about her past bloody while Lefiya tries harder to integrate her into their team. Meanwhile, the Hermes Familia tries to reclaim Ais from the Tamer.
Ais finally gets her chance to speak to Bell, and the two agree to train together. When a brokenhearted Lefiya catches them, she becomes determined to get Ais to notice her!
The Loki Familia prepares for its expedition deep into the dungeon. Amid the excitement, Ais prepares for what she may find past Level 59.
The Loki Familia expedition reaches Level 50. Armed with new weapons and determination, they delve in the dungeon's hellish depths. Meanwhile, Revis lies in wait for Ais.
The Loki Familia run into a formidable foe, even together, will they still be able to defeat the monster?