25 Best Seinen Anime of All Time(2026)

In the American Old West, the world's greatest race is about to begin. Thousands line up in San Diego to travel over six thousand kilometers for a chance to win the grand prize of fifty million dollars. With the era of the horse reaching its end, contestants are allowed to use...

The elite members of Shuchiin Academy's student council continue their competitive day-to-day antics. Council president Miyuki Shirogane clashes daily against vice-president Kaguya Shinomiya, each fighting tooth and nail to trick the other into confessing their romantic love....

Now in his second year of high school, Rei Kiriyama continues pushing through his struggles in the professional shogi world as well as his personal life. Surrounded by vibrant personalities at the shogi hall, the school club, and in the local community, his solitary shell slowly...

Dr. Kenzou Tenma, an elite neurosurgeon recently engaged to his hospital director's daughter, is well on his way to ascending the hospital hierarchy. That is until one night, a seemingly small event changes Dr. Tenma's life forever. While preparing to perform surgery on someone,...

Following the successful Sanyou campaign, the Qin army, including 1,000-Man Commander Xin, inches ever closer to fulfilling King Ying Zheng's dream of unifying China. With a major geographical foothold in the state of Wei now under its control, Qin sets its sights eastward...

After his father's death and the destruction of his village at the hands of English raiders, Einar wishes for a peaceful life with his family on their newly rebuilt farms. However, fate has other plans: his village is invaded once again. Einar watches helplessly as the marauding...

Coco, a humble dressmaker's daughter, has always been fascinated by magic and the witches who cast it, despite the strict precautions they take to hide their methods from the public. However, when Coco takes advantage of a golden chance to spy on the skilled witch Qifrey, she...

Ghostly, primordial beings known as Mushi continue to cause mysterious changes in the lives of humans. The travelling Mushishi, Ginko, persists in trying to set right the strange and unsettling situations he encounters. Time loops, living shadows, and telepathy are among the...

Twelve-year-old prodigy Rafal believes in living rationally, so as to earn praise and respect from society while not being led astray by his emotions. To this end, he publicly states his intention to study theology—the academic field held in highest regard in early 15th century...

Satisfied with his investigation of Lala Lai Theatrical Company, Aquamarine "Aqua" Hoshino shifts his focus from revenge to career growth and becomes a regular on the variety show Dig Deep! Chase the Impawsible. With memories of his mother still lingering in his mind, Aqua cuts...

Ever since horse girl Oguri Cap left the small town of Kasamatsu to chase greater heights in Tokyo, she has rapidly gained attention with her remarkable results. Her goal to become the best horse girl in Japan seems within reach, but there is a rival in her way—another running...

Despite being polar opposites, Makoto "Smile" Tsukimoto and Yutaka "Peco" Hoshino have been best friends since childhood. Although the overly confident Peco strives to be the best ping-pong player in the world, he often skips practice, earning the ire of his fellow teammates on...

The Armed Detective Agency is still on the run from the Hunting Dogs, but not all hope is lost. Detective Ranpo Edogawa has a plan to prove the Agency's innocence and save the world from chaos: to find and capture Kamui—the leader of the terrorist organization Decay of the...

Guts, a man who will one day be known as the Black Swordsman, is a young traveling mercenary characterized by the large greatsword he carries. He accepts jobs that offer the most money, but he never stays with one group for long—until he encounters the Band of the Falcon....

Adventuring knight Laios Touden leads a small party through a seemingly endless dungeon, a subterranean maze full of dangerous monsters and precarious traps. Through the use of advanced magic, an explorer can sometimes be resurrected, allowing them to learn from past mistakes...

Following the closure of the "Laughing Man" case, Section 9 is re-established by Japan's newly elected Prime Minister, Youko Kayabuki, to combat the persistent threat of cyber-terrorism. A group calling themselves "The Individual Eleven" has begun committing acts of terror...

Three months have passed since Iori Kitahara began living above Grand Blue, his uncle's scuba diving shop, and joined his university's Diving Club. Alongside the other members, he has spent his days drinking and recklessly having fun. However, when Iori's sister, Shiori, hears...

On a fateful summer night in 2006, Mutta Nanba and his younger brother Hibito witness what they believe to be a UFO flying toward the Moon. This impressing and unusual phenomenon leads both siblings vowing to become astronauts, with Hibito aiming for the Moon and Mutta,...

The seemingly unimpressive Saitama has a rather unique hobby: being a hero. In order to pursue his childhood dream, Saitama relentlessly trained for three years, losing all of his hair in the process. Now, Saitama is so powerful, he can defeat any enemy with just one punch....

Ever since the novice coach Tsukasa Akeuraji took Inori Yuitsuka under his mentorship, she has improved her figure skating at a fast pace. After passing a qualifying badge test, she earns a spot to compete in the upcoming Chubu Block Tournament, where only five of the 15...

Japan, 1955: Mario Minakami has just arrived at Shounan Special Reform School along with five other teenagers who have been arrested on serious criminal charges. All assigned to the same cell, they meet older inmate Rokurouta Sakuragi—a former boxer—with whom they establish a...

Second season of Dorohedoro.

Gesicht, an android police detective of Europol, is tasked with finding the murderer of Montblanc, a retired war hero robot. Although it appears that only a robot could have committed this crime, the murder of a renowned robot rights activist casts doubts on the criminal's...

After obtaining information about Asirpa from the foreteller Inkarmat, Saichi Sugimoto, Genjirou Tanigaki, and Cikapasi join the Seventh Division's Otonoshin Koito and Hajime Tsukishima on a journey to Karafuto. Heading further north into the freezing Russian territory, they...

Mysterious, unknowable creatures alien to the laws of nature—known only to some and feared by others—"Mushi" lie behind many of life's strange phenomena. Long ago, a Mushi of terrifying power threatened to extinguish all life. The Minai clan of Mushishi were born from those who...