With his prospects as an artist growing, Raizo considers life without the revengers. But with Matsumine's opium still unaccounted for, trouble is bubbling just below the surface in Nagasaki.

Tragedy strikes the Sanctuary, and Elsa takes aim at both Roswaal's mansion and the village of Arlam. After being told that all these threats are cruel traps, Subaru can't help but give in to despair. While he's stuck questioning himself and unable to come up with a way out of the dilemma closing in on him, Otto shows up and punches him. Thanks to the many feelings packed in Otto's fist, Subaru finds his hope again.

In order to prepare for the Magic Chevalier’s rookie bracket, Amelia steels herself with the Ainsworth-style bootcamp. Even though she moans that the training is too grueling, she somehow manages to complete it. Meanwhile, Ray infiltrates the Diom Academy of Sorcery to scope out the competition. He ends up having a training match with Ariane and gets to feel how strong she really is. The next day, Ray takes his friends to meet his master Lydia and they all enjoy a fun day with the great sorcerer. However, Lydia also takes the chance to take Amelia aside to have a personal talk with her...

Aiming to get at the high nobles daughters, the assassin group Grim Reapers infiltrate the Magic Chevalier arena. Having caught wind of their plan, Abbie orders Ray to guard the arena. Meanwhile, after having seen Ariane’s overwhelming power, Amelia has completely lost her confidence. Ray then delves deeper into her heart and gently lifts her up. On the day of the final match, Amelia goes into the fight against Ariane with her friends cheering her on. Ray watches over the match, but then unpleasant news reach his ears...

In order to prepare for the Magic Chevalier’s rookie bracket, Amelia steels herself with the Ainsworth-style bootcamp. Even though she moans that the training is too grueling, she somehow manages to complete it. Meanwhile, Ray infiltrates the Diom Academy of Sorcery to scope out the competition. He ends up having a training match with Ariane and gets to feel how strong she really is. The next day, Ray takes his friends to meet his master Lydia and they all enjoy a fun day with the great sorcerer. However, Lydia also takes the chance to take Amelia aside to have a personal talk with her...

Phobio can't restrain his anger toward Milim. He finds himself faced with Footman and Tear, two masked members of the Moderate Harlequin Alliance, who suggest that he become a Demon Lord to take revenge on Milim. They tell him that he can accomplish this using the power of Charybdis. Meanwhile, the Jura Tempest Federation sends Youm out on a journey to make the world believe he was the champion who defeated the Orc Lord.

Phobio can't restrain his anger toward Milim. He finds himself faced with Footman and Tear, two masked members of the Moderate Harlequin Alliance, who suggest that he become a Demon Lord to take revenge on Milim. They tell him that he can accomplish this using the power of Charybdis. Meanwhile, the Jura Tempest Federation sends Youm out on a journey to make the world believe he was the champion who defeated the Orc Lord.

The Demon Lord Carrion has sent one of his Three Beastketeers, Phobio, on a raid of Rimuru's city. However, Phobio is quickly defeated when Milim meets his attack with her own. Rimuru and his subordinates then ask Phobio why he has come to their town.

After the Magic Chevalier is over, the season turns to fall. While Ray and his class are getting excited about their plan for the cultural festival, they get word that Rebecca has been engaged to an upper-tier noble called Evan Bernstein. Ray goes to congratulate her, but gets the feeling that she is not her usual self. On top of that, Dina Sera asks Ray to watch over Rebecca, so he begins his investigation into Evan. However, the situation behind this way bigger than Ray could have imagined...

Few people know the truth about the bookstore on the outskirts of London that Elias frequents. He takes Chise there, where they meet Angelica, who teaches Chise a little bit of magic, but... The true power of the Sleigh Beggy materializes a fragment of Chise's memories.

Alice sees Elias' changes and decides immediately that he could never be human. Sorcerer Cartaphilius, who is attempting to capture the black dog by manipulating Renfred and Alice, causes Elias to show a completely different side of himself when his "work" hurts Chise. Those who know Elias call him the Pilum Murialis.

The dog, with its flowing, black hair and burning red eyes, called Chise by the name "Isabelle." The Church's final request is to investigate a black dog that emerged in a cemetetry, but the black dog ends up saving Chise from danger. Meanwhile, Renfred's apprentice, Alice, is also on the move, looking for the black dog.

Chise is deep in thought as she watches the souls return to where they'd belonged all along. More than ten days have passed since the incident at Ulthar, but she is still in a deep sleep. Elias and Simon stand worriedly by her side, when they are met by two unexpected guests: Titania, Queen of Fairies, Lord of Tír na nÓg.