GuessAnime.

1. Kimetsu no Yaiba

It is the Taisho Period in Japan. Tanjiro, a kindhearted boy who sells charcoal for a living, finds his family slaughtered by a demon. To make matters worse, his younger sister Nezuko, the sole survivor, has been transformed into a demon herself. Though devastated by this grim reality, Tanjiro resolves to become a “demon slayer” so that he can turn his sister back into a human, and kill the demon that massacred his family.

Demon Slayer: Kimetsu no Yaiba is finished and has 26 Episodes. It is also Known as: 鬼滅の刃, Blade of Demon Destruction, KnY, Kimetsu no Yaiba: Kyoudai no Kizuna, Demon Slayer: Kimetsu no Yaiba: Bonds of Siblings, Demon Slayer: Kimetsu no Yaiba - Tanjiro Kamado, Unwavering Resolve Arc, 鬼滅の刃-兄妹の絆-, 鬼灭之刃, הלהב קוטל השדים, قاتل الشياطين, ดาบพิฆาตอสูร, Miecz zabójcy demonów – Kimetsu no Yaiba, Guardians de la nit: Kimetsu no Yaiba, İblis Keser

2. Jujutsu Kaisen

Yuji Itadori is a boy with tremendous physical strength, though he lives a completely ordinary high school life. One day, to save a classmate who has been attacked by curses, he eats the finger of Ryomen Sukuna, taking the curse into his own soul. From then on, he shares one body with Ryomen Sukuna. Guided by the most powerful of sorcerers, Satoru Gojo, Itadori is admitted to Tokyo Jujutsu High School, an organization that fights the curses... and thus begins the heroic tale of a boy who became a curse to exorcise a curse, a life from which he could never turn back.

Jujutsu Kaisen is finished and has 24 Episodes. It is also Known as: 呪術廻戦, Sorcery Fight

3. Kimetsu no Yaiba: Yuukaku-hen

After visiting the Rengoku residence, Tanjirou and his comrades volunteer for a mission within the Entertainment District, a place where desires are sold and demons dwell. They journey alongside the flashy Sound Hashira, Tengen Uzui, in search of a monstrous foe terrorizing the town. Sworn to slay creatures of the night, the hunt continues.

Demon Slayer: Kimetsu no Yaiba - Entertainment District Arc is finished and has 11 Episodes. It is also Known as: 鬼滅の刃 遊郭編, Kimetsu no Yaiba 2, Demon Slayer: Kimetsu no Yaiba Season 2, Demon Slayer 2, Demon Slayer: Kimetsu no Yaiba - Yuukaku-hen

4. Chainsaw Man

Denji is a teenage boy living with a Chainsaw Devil named Pochita. Due to the debt his father left behind, he has been living a rock-bottom life while repaying his debt by harvesting devil corpses with Pochita.

One day, Denji is betrayed and killed. As his consciousness fades, he makes a contract with Pochita and gets revived as "Chainsaw Man" — a man with a devil's heart.

Chainsaw Man is finished and has 12 Episodes. It is also Known as: チェンソーマン, Chainsawman

5. Howl's Moving Castle

Sophie, a quiet girl working in a hat shop, finds her life thrown into turmoil when she is literally swept off her feet by a handsome but mysterious wizard named Howl. The vain and vengeful Witch of the Waste, jealous of their friendship, puts a spell on Sophie. In a life-changing adventure, Sophie climbs aboard Howl's magnificent flying castle and enters a magical world on a quest to break the spell.

Howl's Moving Castle is a Movie. It is also Known as: Howl no Ugoku Shiro, ハウルの動く城, Howl's Moving Castle

6. Enen no Shouboutai

Tokyo is burning, and citizens are mysteriously suffering from spontaneous human combustion all throughout the city! Responsible for snuffing out this inferno is the Fire Force, and Shinra is ready to join their fight. Now, as part of Company 8, he’ll use his devil’s footprints to help keep the city from turning to ash! But his past and a burning secret behind the scenes could set everything ablaze.

Fire Force is finished and has 24 Episodes. It is also Known as: 炎炎ノ消防隊, Fire Brigade of Flames

7. Kimetsu no Yaiba: Katanakaji no Sato-hen

Tanjiro’s journey leads him to the Swordsmith Village, where he reunites with two Hashira, members of the Demon Slayer Corps’ highest-ranking swordsmen - Mist Hashira Muichiro Tokito and Love Hashira Mitsuri Kanroji. With the shadows of demons lurking near, a new battle begins for Tanjiro and his comrades.

Notes:

• The first episode has a runtime of ~49 minutes.

• The final episode has a runtime of ~52 minutes.

Demon Slayer: Kimetsu no Yaiba - Swordsmith Village Arc is finished and has 11 Episodes. It is also Known as: 鬼滅の刃 刀鍛冶の里編, Kimetsu no Yaiba: Swordsmith Village Arc, KnY 3, Demon Slayer Season 3

8. Tate no Yuusha no Nariagari

Iwatani Naofumi, a run-of-the-mill otaku, finds a book in the library that summons him to another world. He is tasked with joining the sword, spear, and bow as one of the Four Cardinal Heroes and fighting the Waves of Catastrophe as the Shield Hero.

Excited by the prospect of a grand adventure, Naofumi sets off with his party. However, merely a few days later, he is betrayed and loses all his money, dignity, and respect. Unable to trust anyone anymore, he employs a slave named Raphtalia and takes on the Waves and the world. But will he really find a way to overturn this desperate situation?

The Rising of the Shield Hero is finished and has 25 Episodes. It is also Known as: 盾の勇者の成り上がり, Tate no Yuusha no Nariagari

9. Soul Eater

Death City is home to the famous Shibusen, a technical academy headed by the Shinigami–Lord Death himself. Its mission: to raise "Death Scythes" for the Shinigami to wield against the many evils of their fantastical world. These Death Scythes, however, are not made from physical weapons; rather, they are born from human hybrids who have the ability to transform their bodies into Demon Weapons, and only after they have consumed the souls of 99 evil beings and one witch's soul.

Soul Eater Evans, a Demon Scythe who only seems to care about what's cool, aims to become a Death Scythe with the help of his straight-laced wielder, or meister, Maka Albarn. The contrasting duo work and study alongside the hot headed Black☆Star and his caring weapon Tsubaki, as well as the Shinigami's own son, Death the Kid, an obsessive-compulsive dual wielder of twin pistols Patty and Liz.Soul Eater follows these students of Shibusen as they take on missions to collect souls and protect the city from the world's threats while working together under the snickering sun to become sounder in mind, body, and soul.

Soul Eater is finished and has 51 Episodes. It is also Known as: ソウルイーター, SOUL EATER

10. Enen no Shouboutai: Ni no Shou

The Fire Force seeks out the next Pillar and protects humanity from another Great Cataclysm from occurring!

Fire Force Season 2 is finished and has 24 Episodes. It is also Known as: 炎炎ノ消防隊 弐ノ章, Enen no Shouboutai 2nd Season

11. High School DxD

High school student Issei Hyoudou is your run-of-the-mill pervert who does nothing productive with his life, peeping on women and dreaming of having his own harem one day. Things seem to be looking up for Issei when a beautiful girl asks him out on a date, although she turns out to be a fallen angel who brutally kills him! However, he gets a second chance at life when beautiful senior student Rias Gremory, who is a top-class devil, revives him as her servant, recruiting Issei into the ranks of the school's Occult Research club.

Slowly adjusting to his new life, Issei must train and fight in order to survive in the violent world of angels and devils. Each new adventure leads to many hilarious moments with his new comrades, all the while keeping his new life a secret from his friends and family in High School DxD!

High School DxD is finished and has 12 Episodes. It is also Known as: ハイスクールD×D, Highschool DxD

12. The Devil is a Part-Timer!

Striking fear into the hearts of mortals, the Demon Lord Satan begins to conquer the land of Ente Isla with his vast demon armies. However, while embarking on this brutal quest to take over the continent, his efforts are foiled by the hero Emilia, forcing Satan to make his swift retreat through a dimensional portal only to land in the human world. Along with his loyal general Alsiel, the demon finds himself stranded in modern-day Tokyo and vows to return and complete his subjugation of Ente Isla—that is, if they can find a way back!

Powerless in a world without magic, Satan assumes the guise of a human named Sadao Maou and begins working at MgRonald's—a local fast-food restaurant—to make ends meet. He soon realizes that his goal of conquering Ente Isla is just not enough as he grows determined to climb the corporate ladder and become the ruler of Earth, one satisfied customer at a time!

Whether it's part-time work, household chores, or simply trying to pay the rent on time, Hataraku Maou-sama! presents a hilarious view of the most mundane aspects of everyday life, all through the eyes of a hapless demon lord.

The Devil is a Part-Timer! is finished and has 13 Episodes. It is also Known as: Hataraku Maou-sama!, はたらく魔王さま!, The Devil is a Part-Timer!

13. Ao no Exorcist

Humans and demons are two sides of the same coin, as are Assiah and Gehenna, their respective worlds. The only way to travel between the realms is by the means of possession, like in ghost stories. However, Satan, the ruler of Gehenna, cannot find a suitable host to possess and therefore, remains imprisoned in his world. In a desperate attempt to conquer Assiah, he sends his son instead, intending for him to eventually grow into a vessel capable of possession by the demon king.Ao no Exorcist follows Rin Okumura who appears to be an ordinary, somewhat troublesome teenager—that is until one day he is ambushed by demons. His world turns upside down when he discovers that he is in fact the very son of Satan and that his demon father wishes for him to return so they can conquer Assiah together. Not wanting to join the king of Gehenna, Rin decides to begin training to become an exorcist so that he can fight to defend Assiah alongside his brother Yukio.

Blue Exorcist is finished and has 25 Episodes. It is also Known as: 青の祓魔師(エクソシスト), Ao no Futsumashi

14. Black Butler

Young Ciel Phantomhive is known as "the Queen's Guard Dog," taking care of the many unsettling events that occur in Victorian England for Her Majesty. Aided by Sebastian Michaelis, his loyal butler with seemingly inhuman abilities, Ciel uses whatever means necessary to get the job done. But is there more to this black-clad butler than meets the eye?

In Ciel's past lies a secret tragedy that enveloped him in perennial darkness—during one of his bleakest moments, he formed a contract with Sebastian, a demon, bargaining his soul in exchange for vengeance upon those who wronged him. Today, not only is Sebastian one hell of a butler, but he is also the perfect servant to carry out his master's orders—all the while anticipating the delicious meal he will eventually make of Ciel's soul. As the two work to unravel the mystery behind Ciel's chain of misfortunes, a bond forms between them that neither heaven nor hell can tear apart.

Black Butler is finished and has 24 Episodes. It is also Known as: Kuroshitsuji, 黒執事, Kuro Shitsuji, Kuroshitsuzi

15. Yuu☆Yuu☆Hakusho

One fateful day, Yuusuke Urameshi, a 14-year-old delinquent with a dim future, gets a miraculous chance to turn it all around when he throws himself in front of a moving car to save a young boy. His ultimate sacrifice is so out of character that the authorities of the spirit realm are not yet prepared to let him pass on. Koenma, heir to the throne of the spirit realm, offers Yuusuke an opportunity to regain his life through completion of a series of tasks. With the guidance of the death god Botan, he is to thwart evil presences on Earth as a Spirit Detective.

To help him on his venture, Yuusuke enlists ex-rival Kazuma Kuwabara, and two demons, Hiei and Kurama, who have criminal pasts. Together, they train and battle against enemies who would threaten humanity's very existence.

Yu Yu Hakusho: Ghost Files is finished and has 112 Episodes. It is also Known as: 幽☆遊☆白書, Yu Yu Hakusho, Ghost Fighter, Poltergeist Report, YuYu Hakusho, Yuu Yuu Hakusho

16. Devilman: Crybaby

Akira Fudo is informed by his best friend Ryou Asuka that the demons will revive and reclaim the world from the humans. As the humans do not stand a chance against the supernatural power of the demons, Ryou suggests fusing with a demon. Akira becomes Devilman, with the power of a demon and the heart of a human.

Devilman: Crybaby is finished and has 10 Episodes. It is also Known as: DEVILMAN crybaby, Devilman: Crybaby

17. Unnamed Memory

"My wish as champion is for you to descend the tower and be my wife."

Seeking to end a curse thwarting his lineage, Prince Oscar sets out on a quest that leads him to a powerful and beautiful witch, Tinasha, and he demands a unique bargain: marriage. Though unenthused by the proposal, she agrees to stay in his castle for a year while researching the spell cast upon him. But beneath her beauty lies a lifetime of dark secrets that soon come to light.

Unnamed Memory is finished and has 12 Episodes. It is also Known as: アンネームドメモリー, Unnamed Memory