OVA Anime

Rimuru has saved the children he was teaching in the Kingdom of Engrassia, and his time as a teacher is nearly over. Then Yuuki, Grandmaster of the Free Union, asks him to get to the bottom of the race for the throne in the Kingdom of Coleus, which is located between Engrassia and the Holy Empire of Lubelius. So Rimuru infiltrates Coleus under the name "Satoru," and he finds a nation at the mercy of not only a battle for succession, but a web of schemes woven by demons and vampires!

(Source: Crunchyroll)

An unaired episode bundled with the 9th volume of the light novel.

The party ends up running into Megumin's self-proclaimed rival, Yunyun, during a trip to Wiz's shop. Annoyed at the increased noise level brought on by additional company, Kazuma notices a choker at his feet. After trying it on casually, he runs into big trouble: it's a magical choker designed to make wishes come true, and until his wish does come true, it's going to keep tightening around his neck until he's strangled to death! The others work hard to help make his "dreams" come true so that the choker will come loose, with Wiz offering her thighs as pillows, Darkness doing push ups to make her chest sway, and Megumin and Yunyun engaged in strip rock paper scissors... while Aqua runs errands. But will even that be enough to make the choker come off?

(Source: Crunchyroll)

An unaired episode bundled with the 12th volume of the light novel.

After returning from his trip to Arcanretia, Kazuma is living life without a care in the world, thanks to his debts being all paid off by the reward money he earned from eliminating one of the Devil King's generals, Hans. One day, a rookie adventurer named Ran comes up to him in the Guild Hall asking for a handshake. She's apparently become a fan of Kazuma after his consecutive defeat of the Devil King's generals! This puts him in an amazing mood, but it's not long before the Guild receptionist Luna appears, asking him to take on a quest to eliminate a golem. Wanting to look good in front of a fan, Kazuma ends up accepting, and heads towards ancient ruins with Aqua, Megumin, and Darkness in tow.

(Source: Crunchyroll)

OVA 1:
In the midst of his everyday life, Rimuru suddenly realizes that there's nothing to do for recreation in Tempest. He suggests sumo wrestling as a way for everyone to have fun together, and his friends are immediately on board with the idea. Thus begins Tempest's first sumo tournament, in which everyone competes enthusiastically in hopes of winning the grand prize! ionate contests break out not only among Benimaru and the men, but also among women like Shuna and Shion, and even Rimuru ends up ing in!

OVA 2:
One day, Shuna and Shion are fighting over Rimuru's squishy slime body as usual. Rimuru figures that giving them each a body double of himself would solve the conflict, but when he imagines some of his other friends asking him to do the same for them, he quickly drops that plan. Then he comes up with the idea to make a cushion in the shape of his slime form. He travels around Tempest to see if his friends know of any good materials he can use, and he learns that a special type of sand found along a lakeshore in the forest is exactly what he's looking for. So he sets out to collect some sand... but a monster is waiting for him by the lake! What's more, Milim hears about his plan for a picnic and comes racing down from the sky!

OVA 3-5:
Rimuru, now a teacher at the Freedom Academy in the Kingdom of Ingrassia, has become involved in the school's outdoor training event with his class. The outdoor training event is an annual competition in which the students of each class guard the teachers on a journey to a nearby town. Rimuru is assigned to Class A, while his own students in Class S escort the young Tiss-sensei. All the students are eager to show how much their daily training has paid off, but the situation turns around when they're attacked by thieves!

(Source: Crunchyroll)

OVA adapting both chapters of Kaguya-sama wa Kokurasetai Darkness and Chapter 96 of the main series.

What do Shuchiin Academy's model students do outside of their student council duties? After a visit to the swimming pool, Kaguya Shinomiya and Chika Fujiwara take to the showers to wash themselves off. When Chika accidentally drops a bar of soap, the two find themselves in a rather slippery mishap.

Meanwhile, Miyuki Shirogane and Yuu Ishigami examine a discarded pornographic magazine—its content bearing an uncanny resemblance to the other student council . Later on, an intense fried rice cook-off commences as Chika and Miko Iino seek to crown a master chef amongst the council.

These eccentric activities reveal a side of the student council that has never been seen before!

(Source: MAL)

Episode 1 - Memory Snow
Subaru Natsuki finally gets to take a breather, but he does not waste any time as he prepares for a date with his beloved Emilia. He scouts the nearby village for the right dating spot, and with the help of the village children, he finds a wonderful location. With that, he is well prepared for his date!

Unfortunately for Subaru, cold weather suddenly sweeps across Roswaal's mansion on his important day, leaving him with no choice but to postpone the date. Overnight, it becomes even colder and unbearable. Subaru must get to the bottom of this because, at this rate, his date will be the least of his worries.

Episode 2 - The Frozen Bond
Covered in ice and snow, Elior Forest is the home to dangerous magical beasts and 50 elves frozen in ice. One day, the great spirit Puck helps a young girl break out of her ice prison. Her name is Emilia, a half-elf born with silver hair, long ears, and amethyst eyes—features that resemble the evil Witch who destroyed half the world long ago.

Shunned by society because of her appearance, Emilia dwells in the forest with Puck as her sole companion and family. Burdened with a sin of destruction she does not committing, she spends her days trying to find a way to help her frozen kin. But when the great spirit Melakuera, the Arbitrator of the world, finds Emilia, her right to stay alive is brought into question. Will the bonds of ice she formed with Puck prove to be the warm thread that defies fate?

(Source: AniList)

After the capture, Hajime was worried about the farewell to Miu that would occur when the trip resumed.
Hajime and his friends were talking about "The Seven Great Legends of Elysen" as a memory before they left for the trip, but all of them were missed.
However, in the final seventh adventure, he encounters a mysterious giant creature and is blown into the world of a devastated city!
Hajime, who started to search for the stray Mew, fulfills a miraculous encounter there.

(Source: Official website)

The third season OVA of Is It Wrong to Try to Pick Up Girls in a Dungeon? (Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka).

Orario has a new natural hot spring thanks to the Dian Cecht Familia, but Naaza of the Miach Familia suspects an elaborate con and needs help to prove it. That means Bell is caught in the middle of an ongoing rivalry between two Familias. Again.

(Source: HIDIVE)

When Nasa is called in to work suddenly, Tsukasa faces her first night alone since they married. Struck with loneliness, she takes ahold of the smartphone that Nasa gave her as a gift. Even when apart, they remain connected at the heart.

(Source: Crunchyroll)

Before Saitama became the man he is today, he trained and fought endlessly to become a hero. While every scuffle leaves his tracksuit uniform in tatters, he always has it mended for free thanks to his local tailor. One day, however, the tailor informs him that he must close up shop due to pressure from a local gang. Saitama decides to help him out—and gains something irreplaceable in the process.

(Source: MAL Rewrite)

There exist creatures of darkness and evil that plague the night, devouring any human unfortunate enough to be caught in their grasp. On the other side is Hellsing, an organization dedicated to destroying these supernatural forces that threaten the very existence of humanity. At its head is Integra Fairbrook Wingates Hellsing, who commands a powerful military and spends her life fighting the undead.

Integra's vast army, however, pales in comparison with her ultimate weapon: the vampire Alucard, who works against his own kind as an exterminator for Hellsing. With his new vampire servant, Seras Victoria, at his side, Alucard must battle not only monsters, but all those who stand to oppose Hellsing, be they in the guise of good or evil.

In a battle for mankind's survival, HELLSING ULTIMATE proves that appearances are not all they may seem, and sometimes the greatest weapon can come in the form of one's worst nightmare.

(Source: MAL Rewrite)

Our band of bold adventurers has just blown through the 18th level of the world’s most fearsome dungeon, so what do they do for an encore? Since the city of Orario doesn’t have a theme park, the next choice for Bell, Hestia, Lilly and the gang would seem to be a trip to the hot springs… and, conveniently enough, a battle with some hellhounds has led them to an undiscovered underground oasis! However, there’s something fishy about these springs, beyond the fact that Hermes happens to have bathing suits for all the ladies in their correct sizes! Will the secret be discovered before it’s too late? Will Hestia finally come clean with Bell?

(Source: Sentai Filmworks)

After reliving the life of a high school student through the ReLIFE experiment, 27-year-old Arata Kaizaki cannot believe how quickly it has changed him. He has begun to see the world through a different perspective that he had completely forgotten as an adult. He has made friends and formed deep relationships with each one of them. However his , Ryou Yoake, reminds him that the experiment is all an illusion; after his experiment ends, he will be forgotten by all of them.

The experiment of another ReLIFE subject is also coming to an end. After spending two years with ReLIFE, Chizuru Hishiro has developed into a more open, more thoughtful person than she could have ever imagined. She has met people who have changed her life, her perspective, and ultimately her. However, now that their ReLIFE is coming to an end, will they be able to let go of the memories they have made?

(Source: MAL Rewrite)

Unaired episode included with the volume 7 BD/DVD release of Kobayashi-san Chi no Maid Dragon.

On Valentine's Day, Tohru attempts to give Kobayashi some chocolates containing a love potion, but she quickly sees through her plan. However, Kobayashi ends up eating some of it after mistaking it for chocolate Kanna received, although the love potion gets cancelled out by some alcohol that was included in the chocolate. Later, Makoto invites everyone on a trip to a hot spring inn, where Tohru gives Kobayashi some regular chocolates.

Many years before becoming the famed captain of the Survey Corps, a young Levi struggles to survive in the capital's garbage dump, the Underground. As the boss of his own criminal operation, Levi attempts to get by with meager earnings while aided by fellow criminals, Isabel Magnolia and Farlan Church. With little hope for the future, Levi accepts a deal from the anti-expedition faction leader Nicholas Lobov, who promises the trio citizenship aboveground if they are able to successfully assassinate Erwin Smith, a squad leader of the Survey Corps.

As Levi and Erwin cross paths, Erwin acknowledges Levi's agility and skill and gives him the option to either become part of the expedition team, or be turned over to the Military Police, to atone for his crimes. Now closer to the man they are tasked to kill, the group plans to complete their mission and save themselves from a grim demise in the dim recesses of their past home. However, they are about to learn that the surface world is not as liberating as they had thought and that sometimes, freedom can come at a heavy price.

Based on the popular spin-off manga of the same name, Shingeki no Kyojin: Kuinaki Sentaku illustrates the encounter between two of Shingeki no Kyojin's pivotal characters, as well as the events of the 23rd expedition beyond the walls.

(Source: MAL Rewrite)

Special episode included in the last of the nine Blu-ray/DVD volumes.

The story is set a few months after the last scene of the television series. On a calm day in Akihabara, Okabe and the other laboratory are invited by Feyris to go to America. Mayuri and the rest are planning to reunite with Kurisu, who had come back to an American laboratory. A few days later, Okabe's mad scientist persona Hououin Kyouma arrives alone at the airport in Los Angeles, where he may be taking the first step to leading the world into chaos.

(Source: Anime News Network)

Naota is a detached sixth grader afflicted by the pangs of puberty. He's fooling around with his brother's ex-girlfriend when a crazed girl on a motor scooter runs him over, brains him with a bass guitar, and moves into his house. This pink-haired girl, Haruko - who claims she's an alien - hurls Naota into the middle of a mega-corporation's secret agenda. Oh, and now giant battling robots shoot from his skull. Mix in mind-bending animation and tunes that echo through your cerebellum to top off the trip that will have you falling hard for FLCL.

(Source: Funimation)

The second season OVA of Is It Wrong to Try to Pick Up Girls in a Dungeon? (Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka).

Bell and the gang found themselves in a hot spring at the end of their last adventure, and this time they’re ready for a little R&R at the beach! Hestia, Lili and Haruhime waste no time trying to win Bell over with their charms and run into unexpected competition once Ais crashes the party. However, the usually stoic sword maiden is acting surprisingly carefree...

(Source: Sentai Filmworks)