Shion's father finally approves of his magic research, which leads Shion to a new discovery. Marie seems troubled as she devotes herself to her sword.

Shion's father finally approves of his magic research, which leads Shion to a new discovery. Marie seems troubled as she devotes herself to her sword.

Several years before, Haruto visited Yuuki's village to learn "Phantom Blade." One day, the village got ambushed, and Murasaki suspected Haruto.

Takumi wants to upgrade their gear for their journey, so he seeks out mythril and admantite ores. After consulting with the Adventurer's Guild, he accepts Quests to defeat monsters, gather Treant Wood, and escort a miner to excavate the ores. He plans to set out in three days time with the blacksmith, Dgambo.

Takumi wants to upgrade their gear for their journey, so he seeks out mythril and admantite ores. After consulting with the Adventurer's Guild, he accepts Quests to defeat monsters, gather Treant Wood, and escort a miner to excavate the ores. He plans to set out in three days time with the blacksmith, Dgambo.

Duke coldly asks Alicia, "Who are you?" It seems like someone has cast magic on him that erased his memories of her... and Alicia is the top suspect. What will become of her?

Asahi is training for a marathon, but an unexpected rainstorm moves it to the day of a big festival at the shrine.

Prince Oscar, heir to the throne of Farsas, was cursed in his childhood - a curse that prevents him from producing an heir. He travels to Tuldarr, a nation of mages, to seek help from their king.

On Christmas Eve, Shiroe and the other members are fighting the level 97 boss monster "Luseat of the Seventh Garden." But two more boss monsters appear in the middle of the battle, and they are overwhelmed. Shiroe is caught in the fires of "Ibrahabra of the Third Garden"...

A full raid of 24 party members has been formed to defeat Nerelith! The maidens gather to defend Akihabara! Meanwhile, Lenessia and Henrietta head beneath the Guild Building for a certain mission...

Akatsuki revives at the Cathedral and asks the others for help to defeated the murderer. She trains with teh top members of D.D.D. and the West Wind Brigade in an attempt to learn the Teachings.

Akatsuki is defeated by the murderer on Christmas Eve. She awakens to find herself in bustling Shibuya station in the real world. She wanders through the city as if escaping from something, and then appears on a quiet beach. Shiroe is there.

A man appears in Akihabara and begins killing adventurers with powerful Royal Guard equipment. Lenessia is shocked to learn that he is one of the Land people, of the Kunie clan. Akatsuki goes to put a stop to him herself, as the West Wind Brigade scouts find him...

It's almost Christmas in Akihabara. At Lenessia's mansion, Marie and Henriette are all visiting. Lenessia is smiling, but she can't open herself up to the adventurers because of how different they are. Akatsuki, who has been tasked with guarding the princess, is the only one who isn't having fun. She thinks of Shiroe and worries about her own powerlessness. Then, in Akihabara in December, a shocking event occurs.

Shiroe and his friends have come to the Depths of Palm to reach the Sacrifice Clan's gold. The underground labyrinth is filled with powerful monsters that wear them down in a war of attrition. Meanwhile, Akihabara, Akatsuki hears about the "Teachings". She's very interested to know that by completing a high level raid, she can greatly improve the level of her techniques.

Shiroe, Naotsugu, and Regan head to the northern city of Susukino, which was once run by the evil and violent Briganitia guild. They're looking for high-level adventurer's to help them get the the "Sacrifice Clan's Gold". Shiroe visits an unexpected person. Meanwhile, Naotsugu and Regan walk through the frozen town and find a small but pretty girl named Tetra. She calls herself a "galactic idol", and she's very irritating, but her level is 92...!?

It's February 14th! Akihabara is filled with excitement as the adventurers enjoy their first Valentine's Day. Marielle and Isuzu try to make cookies out of Kokonia fruits, which are said to make someone fall in love with you. Meanwhile, in the Log Horizon guild house, Tetra puts Akatsuki and Minori up to cooking something for Shiroe.