Shido and the Spirits decide to visit Tengu City Hot Springs, but they run into some trouble on the way.

Trapped by Beelzebub in a world of fiction, the crew is desperate to escape. But without their powers to aid them, they're at the mercy of the story they're inside.

After a lunchtime showdown, Kurumi and Shido plan to settle their competition on a special holiday. In the meantime, the Spirits help Shido prepare to face Kurumi in their own way

Shido encounters the mysterious "Hermit" one rainy day, and Tohka and Origami fight over Shido at school.

Shido almost got caught until Miku makes an entry as she commands the Spirits to join the battlefield just to collect Tohka. Origami in a convention suit partners with Mana. While Shido and Miku argue, he reveals that Kurumi learned how Miku acquire her Spirit power from Phantom (like Kotori), she finally tells that she used to be a splendid singer Tsukino Yoimachi, but one day she rejected a TV producer's career offer due to disgrace, then bad rumors spread with no help from her agency and fans, she tried to reconnect with her fans, but suffers psychogenic aphonia, resulting in her losing her voice; this cause Miku to tension condemn humanity. Shido vows to keep his promise. Origami, Ratatoskr, terrorizes the territory to subdue Ellen. Westcott makes his appearance when Shido and Miku find Tohka. Shido is stabbed by Ellen with Tohka watching she goes berserk.

Tohka is born into a negative form with her counterpart sword Qliphoth and has no memory. Mana and Jessica reach the concluded battle. Jessica, dying in Mana's arms, tells how she always felt jealous and wanted to become strong for the DEM, Mana made her decision to dishonor Westcott. Westcott decides to retreat, although he briefly calls Shido "Takamiya". Tohka launches brutal attacks then Miku becomes vulnerable. Yoshino, Yoshinon, Kaguya, and Yuzuru regain their sanity. Shido took the hit to protect Miku. Tohka swings the sword of demise on the city, Shido flies towards her reminding her of him; dropping the Sandalphon, he seals her power once more with a kiss restoring her. Kurumi continue her search for the captive Spirit. The next day, Miku who is happy trusting Shido she purposely kisses him sealing her power much less her clothes. Miku invites everyone to listen to her latest concert then announces to her "darling" stunning the crowd and Shido. His competition among the girls' affection continues.

Shido Itsuka is an ordinary high school student living with his little sister in Tengu City, a city that is often disrupted by "spatial quakes". During a spatial quake at the beginning of the school year, he meets a beautiful and mysterious "Spirit".

Shido practices making women fall in love with him and has another encounter with the Spirit "Princess".

Shido goes to Origami's apartment to look for Hermit's puppet, Yoshinon, who was lost during the last fight, and Tohka talks with Reine about her feelings for Shido.

After a very awkward moment in Shido's class where Tohka tries switching genders in an effort to bunk with Shido, the class goes on a field trip to Arubi Island. During the entire trip, Origami and Tohka end up constantly annoying Shido in an effort to win his affections. Meanwhile DEM Industries, an organization with an interest in spirits begins stalking Tohka. Some time later, a massive hurricane appears out of nowhere while Shido and Tohka are on a stroll. Three trash cans strike Tohka, knocking her out in the process while two spirits viciously battle overhead. When Shido tries to intervene, the twin spirits Yuzuru and Kaguya decide that their next battle will be over winning Shido's heart to the latter's dismay. When the two girls follow Shido back to the class holding his arms, Origami becomes enraged over her new competition. As Shido's teacher tries to arrange the girls to be students in the class, Kaguya and Yuzuru explain that they were once one spirit named Yamai and that their contests are in an effort to find out whose personality will stay when the girls fuse and become Yamai once more. Later that day, an incident occurs when the twins drag Shido into the men's bath in an effort to sexually seduce him. Things get worse when Tohka shows up along with the rest of the class.

The twin spirits, still trying to seduce Shido, start cuddling up to Shido completely naked in bed. The situation worsens when one of his teachers walks in on the mess. Later, Shido plans to seal the Yamai twins' powers without letting one of them win in an effort to avoid both the unpredictability of the loser and what would happen to the loser's personality. During their contest, they have Shido coat their backs in suntan lotion ending up turned on from the application. Later, the Yamai sisters team up with Shido to take on Tohka and Origami in a volleyball game in which the winner is the former's team. During the afternoon, Origami is ambushed by a strange mech-like being.

Shido is losing his head and losing friends faster with each passing day of Natsumi's game. But when it's all over, he may have a little problem on his hands.

Natsumi uses her powers to turn the girls into children. But their plan to convince Natsumi that her true form is cute turns out to be no child's play at all.

To get ready for his date with Kotori, Shido goes swimsuit shopping with Tohka and Yoshino. Meanwhile, Origami finds out more about Ifrit.

Shido races to save Mukuro before DEM reaches her first. But when she gets hostile, Shido, Kotori, and the Spirits must outplay their enemies in order to open her heart.

Shido and Kotori enjoy their date at the amusement park until they are interrupted by Origami.

The girls struggle to sell more than Nia, but they have a few tricks up their sleeves. However, not even the Spirits are safe when Isaac Westcott comes to claim his prize.

In a competition for Shido's lips, Mukuro battles against Inverse Tohka. Before long, all goes wrong and Shido must stop Mukuro from destroying the planet.

Shido encounters a girl named Nia collapsed on the side of the road, but learns there's more to this manga artist than meets the eye.

Shido learns the truth about his and Kotori's powers, and Origami reveals more details about her past.

Shocked by Kurumi's appearance at school, Shido and crew try to deduce her intentions. This time, Shido's date with a Spirit is a matter of life and death.

The crew of Fraxinus sets about preparing for their battle against DEM with haste and high morale. The Spirits work hard to prepare snacks in order to encourage Shido and everyone else as the decisive battle draws closer by the hour...

A young AST joins Origami and the others in the fight against the Spirits. Meanwhile, another transfer student appears at Shido's school.

Shido takes Tohka, Kurumi, and Origami out on dates on the same day. Will he be found out?

Shido tries to woo Nia whose heart is firmly set on 2D. In order to get Nia to read their manga, the crew challenges her to see who can sell more copies at Comico.