A special assignment was given to the Abnormal Class, where they had to reach Rank Dalet before the end of the semester. Otherwise, they will be kicked out of the Royal One. And the Harvest Festival is perfect for their promotion. In order to improve their abilities in a short period of time, the school has prepared each teacher to give special courses to them...

Robin brings in a “capable individual,” who is also his blood relative, Barbatos Bachiko, to assist Iruma and Lead’s training. However, instead of intense training, Bachiko's orders are basically using them as gofers. Lead, having had enough, returned to train under Robin, while Iruma, now alone, realizing that both Asmodeus and Clara are devoting their all to their training, decides to act!

Iruma has finally begun to receive training from Bachiko. The famous archer of the Netherworld, Bachiko, set out one condition: He has to create his own bow. And so, Iruma began creating bows using the Shrieking Valley Master's feathers that was discovered in the Magic Apparatus Battler. However, all the bows he created was rejected by Bachiko, as she stressed that he has to visualize 'A bow of his desires'... 芭琪可终于答应为入间安排特训。身为魔界弓术高手的芭琪可提出的条件，是要…

At last, the final battle for the Babyls 1st years has begun. The Harvest Festival is a 4-day survival event that also serves as a rank advancement test. Within the time limit, students have to hunt for magic beasts and plants in order to earn points, with the one earning the most becoming the victor of the event. The Abnormal Class students, having spent weeks undergoing special training, have become competitive with each other, their spirits…

The leading contenders of the Harvest Festival, the Dorodoro Brothers: Ichiro and Niro, have appeared in front of Asmodeus and Sabnock, who themselves have been hunting prey with their own overwhelming power. The Dorodoro Brothers wish to have a showdown with them. If they win, the brothers will hand over all of their points... At the same time, Keroli and Camui have amassed an army of magic beasts followers, while Jazz and Allocer have been…

While other Abnormal Class students are smoothly earning their points, Iruma and Lead are enjoying life in the jungle while harvesting ingredients for food. Iruma, having reawakened his survival instincts from his past, has entered into a state of 'Survivalist's High'. And thus, the two of them focused on survival and paid no heed to the Harvest Festival scoring. They became even more hyped up after reminiscing about the Devi-mixer they went to…

Iruma-kun is sucked inside Clara’s suit. There, his mind and body turn into that of a child, and Clara took him to play to their heart’s content! On the harsh first night of the Harvest Festival, students are dropping out one after another. 「库菈菈的玩具箱」入间被库菈菈的魔术捕捉并被关到了布偶装里头，里面是宽广又不可思议的童话空间！身心都变成小孩子的入间开始和库菈菈一起尽情玩耍！ 「叫声响彻夜晚」收获季第一天的夜晚到来。在丛林的严酷环境中陆续有学生弃权。过程中，已经累得气喘吁吁的小夏、春乃、杏月和德莎子四人来到了某个场所……！ ？

The castle in the forest turns out to belong to Picero and Goemon! The two don't seem to get along well, but the truth is… A party in the teacher's tent! They watch over their disciples with merry, but slowly a sense of rivalry is lit between them! 「能不能找到100个同伴呢？」耸立于丛林中的城堡主人原来是皮克罗！皮克罗和五右卫门组建立起固若金汤的城堡在收获祭中战斗。一人爱管闲事、一人我行我素，虽然两人乍看之下个性不合，但他们似乎从以前就有交集了……？ 「引以为豪的徒弟们」讲师们的帐蓬内现在正在举行宴会。众人看着现场直播，一边守望着徒弟们的活跃表现一边开心地喝酒——原以为是如此，但这群师父们似乎燃起了竞争意识……？

The Asmodeus and Sabnock team is in the middle of a match with the Dorodoro Brothers. Their objective: To hunt the Hundred-Flaringo. It was a challenge by the Dorodoro Brothers, who desired to win back their Master, claiming they alone are his no. 1 disciples. And so, Asmodeus and Sabnock ended up being provoked into the challenge. However, to fall for their provocations meant they had already fallen into the brothers' trap...

Day two of the Harvest Festival. Currently with zero points, team Iruma and Lead aim to turn things around by harvesting the Legendary Leaf. To find clues, they went to find Camui. But before long, they find themselves surrounded by magic beasts, and found out how a queendom has been established! Suddenly held captive, the two of them were soon being presented before Queen Keroli, the ruler of this queendom!

The duo that Ameri encounters in the drop-out tent was none other than Jazz and Schneider. It seems that they met with a student hunter that was targeting the Abnormal Class teams. Around the same time, Iruma and Lead split up to search for the Legendary Leaf, with the clues in the form of song lyrics as their guide. Following the song lyric, Iruma went deeper into the jungle and discovered an entrance to an underground complex....

After going through the underground complex, Iruma and Nafra seek the way out to the surface. On the way, against all impossibilities, Iruma bumped into his parents in this very Netherworld. They were, in fact, an illusion casted by Orobas. Being overwhelmed by this traumatic illusion, Iruma fell off a cliff! And even when he awoke at the bottom, the nightmarish illusion still plagues him. Can he overcome this deep fear of his!?

Day three of the Harvest Fetival. It is time for the halftime announcement of which every surviving students' points are revealed. During this announcement, Kalego made a rousing speech that also involved 'a certain student' who still has zero points. Upon hearing that, a shared memory came to both Asmodeus and Clara... Meanwhile, what is Iruma's plan to get out from the bottom of the cliff he fell off from!? 收获祭第三天。公告学生们的获得分数的期中发表广播在整片丛林中响起。然后卡…

Iruma safely regrouped with Lead. However, it seems as if Lead had lost his hard-won Pot of Ending to Elizabetta. Shocked by this, Lead collapsed in tears. However, the one who stole the Pot was not Elizabetta, but someone else. Using his family power, Controller, that was trained by Robin, Lead began searching for traces of Elizabetta. But what reached his ears instead was the sounds of Elizabetta, Clara, and Keroli going into a hot spring!?…

The battle between the Magic Beast Queendom led by Keroli against Picero and Goemon's castle rages on. Amidst the battle, Elizabetta, who allied with the Queendom, charmed and captured enemy male soldiers one after another. Suddenly, Iruma and Lead arrived in the Queendom. Once they had Camui translate what Nafra was saying, they finally realized that Orobas has been targeting and attacking the Abnormal Class teams...

In order to protect Iruma and Clara, Asmodeus attacked Orobas and was disqualified for breaking the rules. But as soon as Iruma and the others saw Asmodeus off, they realized that Orobas had disappeared. It was Ocho who had dragged Orobas away and escaped. If Iruma and the others couldn't get the Pot of Ending back, they won't be able to make the Legendary Leaf bloom. However, they are practically at their wit's end. Just when all seems lost ...

The Harvest Festival's end is nigh. With the Seed of Beginning and the Pot of Ending on hand, Iruma and the others seek to make the Legendary Leaf bloom. However, they do not know how. That was when Lead remembered a certain magic spell that they learned in their past classes... With both their stamina and magic running dry, can Iruma and Lead make the Legendary Leaf bloom!? And finally, the results announcement. Who will be the student who has…

The Legendary Leaf burst out in full bloom, and petals danced around in the sky. The award ceremony is held with everyone in a celebratory mood, both those who made many achievements and those that had to drop out... With the Abnormal class aiming for rank promotions, will they be able to take a step closer to their goal!? Moreover, the Masters are finally reunited with their disciples after many days...

On the night after the end of the Harvest Festival, a certain izakaya hosted the after-party for Babyls teachers. Even Kalego, who normally does not join drinking parties, was dragged there by Baram! Robin's usual exuberance hyped everyone up as they listen in to the early days of Kalego's teaching career. What is this "teacher's resolve" that Robin was taught by his seniors? And furthermore, what happened on the last day of the Harvest Festival

Evil Friend：Iruma went to Lead's house to play his newly-bought game console together with Lead. While the two were gaming, Lead's elder sister Shakky suddenly burst into the room! It seems that Shakky is in a really bad mood!? / Heartfelt Cooking Lesson：Ameri and Iruma both attempt to bake cookies together. Unfortunately, the sum of both their cooking experience amounts to zero. The result of their cooking was so outrageous that it even made…

As a way of showing gratitude for the special training Iruma received, Sullivan invited Bachiko to his mansion. There, Sullivan revealed to Bachiko that Iruma is in fact a human. Later, as promised, Iruma and Clara went to hang out at Asmodeus' mansion. All this while, Iruma was troubled by whether or not he should tell them that he is a human. But upon receiving advice from Alice's mother, Asmodeus Amuryllis, Iruma finally decided what to say…