The Head Teacher calls Ayumu with news that Mystletainn will be returning shortly. Souyu High School holds its culture festival, and Haruna helps Ayumu's class prepare for their activities. Ayumu admits to a sense of fulfillment in his high school life.

In order to defeat Chris and get Haruna's magical power back, Ayumu meets with Nene, the mightiest of underworlders. In exchange for her help, Ayumu and the others help her illustrate her comic. Meanwhile, Saras gets ready to put on another concert.

Haruna and Eu perform a delicate operation on Mysteltainn to try to repair the damage done to him. Ayumu gets advice on how to deal with Orito. Tomonori takes a crash course in dancing in order to be a backup dancer for Sarasvati at her upcoming concert.

Sera and the other vampire ninjas are called back to their village, leaving Haruna in charge of the house. Eucliwood comes down with a fever, and Ayumu goes to great lengths to look after her, but ends up having to call in outside, underworlder help.

Having absorbed Eu's magic power, Haruna now suffers from the same side-effects that prevented Eu from speaking. The culture festival enters its second day. Tomonori has her control ring taken from her by the teacher, leading to an unforeseen outcome.

Thinking he is doing him a favor, Orito invites Ayumu out to a restaurant run by the vampire ninjas, which offers a full course of unsociable service. Afterward, the two of them engage the ninjas in a mood-changing contest, to win the cost of their meal.

Head Teacher Ariel proposes a test to Ayumu, to see if he is ready to take on Chris. At stake are Ayumu's memories, which will be erased if he fails the test. Haruna decides to help Ayumu pass the test, but will her help end up doing more harm than good?

Ayumu is a boy with a problem. He’s dead. Well, actually he’s a zombie, and he’s about to be chopped in half by a magical girl in pink dress with a matching chainsaw. Some guys just can’t catch a break.

Dinner time is rudely interrupted by a mysterious female with an insatiable hunger for miso soup. Apparently, there is a war raging in the village of ninjas, and the curvy newcomer could use Eu’s help.

While Ayumu goes bowling with a friend from school, his three lovely roommates spend the afternoon playing twister and fighting over the last package of pudding.

When a talking Doberman shows up at the front door instead of the pizza man, Ayumu learns the tragic secret behind Eu’s powers. Oh yeah, there’s also a whale of a demon that needs to be put down!

Ayumu’s romantic rendezvous takes a deadly turn when his dream girl turns out to be a demonic serial killer. It’s a good thing zombie boy travels with a vampire ninja and an armor-clad necromancer. Let’s get ready to rumble!

Ayumu’s exams are interrupted by a rampaging demon-horse and the arrival of a killer-soup wielding vampire ninja! If the poor boy can survive his latest adventure, he may find a mate for life!

The fighting is all finished, but the action is just beginning to heat up! Haruna wins a special trip to the pool, and we all know what that means: swimsuits!