The 8th Son? Are You Kidding Me?

八男って、それはないでしょう！ (Hachi-nan tte, Sore wa Nai deshou!)

6.3(148,802)

MAL Score

Ranked #9419

Popularity #1024

Action
Fantasy
Isekai
Reincarnation

Episodes: 12
Duration: 23 min per ep
Aired: Apr 2, 2020 to Jun 18, 2020
Status: Finished Airing

Synopsis

Twenty-five-year-old Shingo Ichinomiya wakes to an impossible new reality: he’s now a six-year-old boy in a fantasy world, carrying every memory of his exhausting corporate life. The child’s name is Wendelin von Benno Baumeister—eighth son of an impoverished rural noble family, with little chance of inheriting anything or improving his prospects.

Determined not to be trapped by his circumstances, Wendelin sets his sights on climbing to a better financial and social standing. A remarkable talent for magic soon reveals itself, offering a rare advantage that could finally let him reshape his future.

Otaku Consensus

The 8th Son? Are You Kidding Me? lands as comfort-food isekai rather than reinvention: Tatsuo Miura and Takeshi Miyamoto's adaptation is strongest when it slows into social-status rewards, party camaraderie, and the satisfaction of watching nobles react to Wendelin's rise. Its weakest stretch is the middle-to-late slide into familiar harem and overpowered-MC beats, with viewers repeatedly calling out predictable conflict and rough CGI. With a 6.27 MAL score and 61/100 AniList score, it is a divisive genre snack: more politically minded than its title suggests, but too low-tension to convert isekai skeptics.

Why You Should Watch

Watch The 8th Son? Are You Kidding Me? if you want an isekai power fantasy built around rank, rewards, etiquette, and party life rather than nonstop demon-lord escalation. It scratches some of the same magical-prodigy itch as I Was Reincarnated as the 7th Prince, but trades that show's obsessive spellcraft for noble titles, courtly obligations, and the quiet pleasure of people underestimating the lead before recalibrating. Viewers who enjoy Ascendance of a Bookworm's social structures but want a lighter, more harem-adventure version will find the appeal quickly. The caveat is clear: this is not the show for anyone allergic to low-budget CGI, frictionless overpowered protagonists, or familiar fantasy-harem staging. For genre regulars, its value is in the relaxed pacing and status-climb payoff.

Key Characters

S
Shingo Ichinomiya(VA: Junya Enoki)
Junya Enoki plays him as a low-key power-fantasy lead whose biggest appeal for fans is not struggle, but the repeated social payoff of others reacting to his achievements.
E
Elise Hohenheim(VA: Asuka Nishi)
Elise gives the harem side a more formal, noble-society flavor, tying the romantic ensemble directly into the show's courtly politics.
L
Louise Yorande Aorelia Oufelbeik(VA: Yuuna Mimura)
Louise represents the martial-arts side of the party dynamic, balancing a series identity otherwise dominated by magic and noble advancement.
E
Ena Susanne Hillenbrand(VA: Mikako Komatsu)
Ena brings the adventuring-party ensemble its spearplay presence, helping the show shift away from solo prodigy fantasy into group-based questing.

What Makes It Stand Out

1
The series is a Shin-Ei Animation and SynergySP co-production, an unusual pairing for an isekai whose appeal leans more on light character interaction than lavish action spectacle. The CGI, especially around fantasy creature and effects-heavy material, became one of the most frequently cited production complaints.
2
Its structure noticeably changes after the opening episodes: several viewer reactions praise the early hook, then describe the show becoming more slice-of-life, friendship, and adventure focused. That tonal pivot is central to why some found it comfy while others felt it lost urgency.
3
The political layer is more prominent than the title implies, reflected by AniList's high Politics tag at 68% and Kingdom Management at 40%. Noble hierarchy, royal gifts, status recognition, and family economics matter almost as much as battlefield strength.
4
The soundtrack credits split music between Minako Seki and Catherina Kogaku Gassoudan, while the theme songs come from two distinct performers: Demon Kogure on the opening and Akino on the ending. That gives the production a more idiosyncratic music profile than many disposable seasonal isekai.

Fun Facts & Trivia

Fun fact 1: The anime adapts Y.A's original story, with Choco Fuji credited for the original character designs and Kenji Tanabe handling the anime character designs.
Fun fact 2: Nerd Caliber defended the series during the Spring 2020 season as better than its apparent 'overpowered hero and harem' packaging, in a lineup also discussed alongside Tower of God, Ascendance of a Bookworm, and Fruits Basket.
Fun fact 3: Its reception numbers show a classic widely sampled but modestly rated isekai profile: 148,640 MAL votes, a 6.27/10 MAL score, MAL popularity rank #1024, and an AniList score of 61/100.
Fun fact 4: AniList's tag percentages capture the show's split personality: Magic at 86%, Isekai at 77%, Politics at 68%, Female Harem at 66%, Dragons at 55%, and CGI at 41%.
Fun fact 5: The title's reputation among viewers is sharply polarized: positive reviews often single out the noble reward loop and relaxed adventure mood, while negative reviews focus on predictability, harem elements, and the lack of serious opposition for the lead.