The difficult issue Reines and Melvin brought up with Lord El-Melloi II was a case involving a former student of his, Mary Lil Fargo. Mary is the only daughter of the Fargo family, a branch of the Animusphere family that rules over the Astromancy division. Responding to Mary who felt she needed her former mentor's assistance, Lord El-Melloi II and Gray visit the Fargo estate to witness the dismantled corpse of Mary's father, Ernest Fargo. Disjoined from traditions of Astromancy, the crime scene is representative of Modern Magecraft. Lord El-Melloi II dives in to elucidate the matter.

Their next destination is to the north-northwest. Tanjiro and Nezuko head towards Mount Natagumo with Zenitsu and Inosuke. This mountain is covered with spider webs and is swarming with innumerable spiders. Leaving the cowering Zenitsu behind, Tanjiro and Inosuke head up the mountain where they run into fellow Demon Slayers entangled in spider webs.

The four schools advancing to the Vanguard Koshien semifinals have been decided, and they are Miyaji, Hitsue, Fukuhara, and Harumi. And the first match is Fukuhara VS Harumi. With their reputation on the line, which high school will proceed to the finals?

Touma puts the first run on the board for Meisei, but Kenjo’s star slugger Akai doesn’t intend to let it go unanswered.

The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.

Tensions between the Detective Agency and the Port Mafia run high as they both scramble to save their own leaders while avoiding an all-out war.

The day arrives for Accelerator's bandages to come off after he is shot in the head, and Last Order is eager to celebrate. A secret weapon is stolen from an atmospheric research facility, and the culprits seem to be targeting Accelerator with it.

Arthur Boyle, the self-professed "Knight King," arrives at Company 8, and immediately, there are tensions between him and Shinra. With the Rookie Games coming up, Hinawa wants to see what the two new recruits are really capable of.

Tohru, Yuki, Kyo, Shigure, and Hatori go on a trip to the Soma vacation house near a lake.

Teenage boy Masato Oosuki was chosen to beta test a new MMORPG, where you’re actually teleported inside the world of the game. After Masumi Shirase comes to give him a brief explanation, he’s off to start a new life inside a video game! But once he gets there, he finds his mother, Mamako, has followed him. He’s bewildered, but Mamako is overjoyed at the idea of going on an adventure with her son. And her regular attack skill is incredibly strong, too. Masato’s attack skill only has regular power, and as a normal rebellious teenager, he’s more than a little upset to find his grand fantasy adventure ruined. And thus begins a new RPG journey, with mom in tow!

It's time for the final battle, and the 501st isn't invited! Instead, they'll be taking a nice, safe vacation on a tropical island…