Takato blusters about coming up with the plans for Christmas Eve, but then works non-stop with no holiday inspirations coming to him. His anxiety ratchets up when Junta doesn’t show up on Christmas Eve.

Acqua and Knight Leader continue their fateful showdown in the forest. Princess Carissa reveals a devastating new technique using Curtana Original. When Kamijo and Index's lives are endangered, an unexpected ally comes to their rescue.

With Sakuta's help, Kaede is able to go to school at night. She is now enthusiastic about heading to school during the day. However, on the following day, the original Kaede's memory suddenly returns, eradicating all memories of the Kaede that had spent the last two years together with Sakuta. A certain person appears before Sakuta, who is overwhelmed with grief because Kaede was no longer around.

Touya is brought to the royal palace by the Duke. There he finds the King, bedridden, on the verge of death after being poisoned by someone... No one knows how to treat it, and many believe there's no hope of saving him. Yet high-spec Touya handles the poison with ease! He saves the King with his super Healing magic, Recovery, and even catches the criminal who poisoned the King quickly, bringing everything to resolution. Meanwhile, after watching Touya's actions, Princess Yumina makes a startling declaration...

Touya is brought to the royal palace by the Duke. There he finds the King, bedridden, on the verge of death after being poisoned by someone... No one knows how to treat it, and many believe there's no hope of saving him. Yet high-spec Touya handles the poison with ease! He saves the King with his super Healing magic, Recovery, and even catches the criminal who poisoned the King quickly, bringing everything to resolution. Meanwhile, after watching Touya's actions, Princess Yumina makes a startling declaration...

Tired of repeating the same task (cell division) day after day, the Normal Cell laments while working his boring job, when a mysterious cell wearing a charming hat suddenly appears in front of him. This cell proceeds to invite the Normal Cell to spread mischief and play pranks on the White Blood Cells (Neutrophils) and Killer T Cells. Though the Normal Cell enjoys being able to blow off some steam from his day to day life, who is this charming hat wearing cell?

Hyoudou's latest craving for diabolical entertainment is so twisted, people are afraid to talk about it... even the narrator! And then, wedding bells begin to ring for one member of Team Tonegawa.

Touya and the others head to ruins on a new quest from the Guild to defeat a dullahan. There they encounter the ancient royal capital, abandoned after the capital was moved a millennium ago. After finishing their quest, Touya and the others explore the underground ruins for treasure. Yet what they find isn't a mountain of treasure, but a magic beast made of crystal! No attacks work on its hard body, it absorbs magic, and it even regenerates from wounds. Touya and the rest struggle against such a powerful creature... What on earth is the true identity of such a magic creature?!

Touya and the others head to ruins on a new quest from the Guild to defeat a dullahan. There they encounter the ancient royal capital, abandoned after the capital was moved a millennium ago. After finishing their quest, Touya and the others explore the underground ruins for treasure. Yet what they find isn't a mountain of treasure, but a magic beast made of crystal! No attacks work on its hard body, it absorbs magic, and it even regenerates from wounds. Touya and the rest struggle against such a powerful creature... What on earth is the true identity of such a magic creature?!

With the fate of Earth hanging in the balance, Subaru and the others continue their desperate battle against the fearsome Hekatonkheires. In the midst of the fighting, Subaru finds something that really shouldn't be there...