Finding enjoyment in teasing the former assassin, Grace returns as a gym teacher. After much harassment, she clues in Hitoyoshi of the changes occurring to Yuki. He now wants to know more about the maid as he sees her working hard to be normal.

Laust and his companions enter the labyrinth on their quest to battle the phoenix and earn the bounty from the Guild. They quickly track the phoenix down and engage it, but the instant they start causing damage to the fiery creature, it begins to mutate.

With the incident in Aomori concluded, things begin to calm down at the Knights of the True Cross Japan Branch. Lightning begins his investigation of the Illuminati with Suguro. Lightning suspects that there was something within the Japan Branch that was connected to the Illuminati and the "Blue Night." Meanwhile, after receiving Rin's confession, Shiemi worries that she doesn't understand the difference between "romantic love" and "friendship love." Unable to bear any further witness to this, Izumo makes a suggestion.

Machina lets her thoughts drift to Veltol as she prepares dinner. Meanwhile, Veltol learns new facts about the Immortal Furnace, and while he tries to inform Machina using Whisper magic, he gets no response. At the same time, Machina has an unexpected visitor…

The exhibition match between Blue Lock and Japan's U-20s has finally kicked off. The first play Bachira and Isagi set up has been swiftly shut down by the U-20s' captain, Aiku, and Isagi finds a new challenge in him.

After the chaos dies down, Kunai returns to Organ, and they continue their journey into the Beast Kingdom.

Swordsmanship isn't Nio's strong suit. He's determined to train with the Miburo regardless, but his clumsy efforts annoy another young recuit: the talented Saito Haijme.

As the finer points of the prospective merger between Shiota and Namidome Industries get hammered out, a potential root cause of the giant beast mutation is finally discovered.

With the company modernizing more and more, old hand Muto feels like things were simpler before all the high-tech machines and smartphones. But with the bigwigs looking to throw extra funds at Namidome, will this stick-in-the-mud prove to be a hindrance?

The Giant Beast that was formerly Arumi's pet dog turns out to be less dead than it first appeared. With it running amok in Shiota Bio's HQ, can the team neutralize the threat before things get even more out of hand?

The new intern arrives but immediately starts getting the backs up of the rest of the team. Meanwhile, the mouse released by Tetsuro on Ryugan Island re-emerges in an altered state.

While a Shiota Chemical offer to send the company a college-educated intern leaves Tetsuro feeling threatened, a brave move by a young researcher may be the break they need to learn what the Giant Beasts really are.

Arumi's late-night run-in with a smaller "pest" on Ryugan Island raises a number of questions on the true nature of the Giant Beasts and reviewing footage captured by Bullbuster reveals something startling.

Tetsuro makes a terrible mistake that could threaten the very existence of Namidome Industries. More information about the islanders' plight comes to light, while Tajima pursues the mystery of the toxic gas.

Namidome's history as a construction company brings them under fire from the local Builders Union, which fears the competition they might represent. To relieve the pressure, they'll need to undergo a full rebrand.

Standing up for the little guy against big business, Namidome Industries declares war on Shiota Chemical and sets about ridding Ryugan Island of the Giant Beasts as well as the bacteria that has been causing the animals to mutate.

After the collapse of the merger between Namidome Industries and Shiota, it seems like Namidome's days are numbered. That is, until a man representing another company shows up with an interesting proposal...

Following the bombshell about the potential origins of the Giant Beasts, each member of the team grapples with what to do with the info. Will they simply stay quiet and let the merger happen as planned, or will their desire for the truth win out?

Pest control company, Namidome Industries, receives a new helper robot along with a new pilot for it at a critical time. But what exactly are these so-called "pests" they are tasked with exterminating?

Haruka tracks down Kouya, who has returned to the small town that was ravaged by a tsunami triggered by an earthquake 12 years before.