The sheer dishonesty from Mushoku Tensei fans is one of the reasons why so many people dislike the story
Rudeus being a 30-year-old man perving on kids is the main and valid reason for the general distaste of the story, but the other comes from the fans. Specifically, how they talk, argue, and present the story itself.
- The lie of redemption and false expectations.
The main way fans sell the series is as a redemption story: an otaku who was a general waste of space and scum to the people around him, given a second chance to become a better person.
Key word: Better person.
That's the main selling point, and what a new watcher is going to see if they consider giving the story a shot. To its credit, the show does a genuinely decent job of the redemption arc. It doesn't sugarcoat that Earth Rudeus was a broken, toxic man who pushed away help and degenerated into a burden on everyone around him. We see him slowly turn around as he grows up. It's not easy or short, but what serious development ever is?
If that was all there was to it, there'd be nothing to argue about. The problem is…
Rudeus is a pedophile.
Calling it a "flaw" is doing a disservice to how sick these actions are, but that's how it's presented, and despite your discomfort you remember the promise of his growth. So you keep going, because outside of that diseased elephant in the room, the series has decent worldbuilding, good animation, and an interesting plot. The pedophilia can't be that big a deal with so many good aspects, right? Right?
You see the problem?
You're consuming the story on a false expectation: that something society treats as a disgusting disorder will eventually be handled with the same seriousness as his other flaws and it doesn't fucking happen.
Everything else about his past self gets addressed and tackled properly yet his sexual degeneracy is meant to be taken as comedy. You're kind of forced to watch or ignore his perversion toward children, played for jokes with no real weight.
It's just... there.
When it does seem like it's about to be tackled, it's a brief moment with no lasting impact, like the world bends over backward so he never has to introspect on it. That goes against the entire premise of a redemption story.
The classic excuses range from "he's a pervert, what did you expect" to "self-improvement isn't quick," even though quick or not, improvement was supposed to be the whole point.
If you'd found the story on your own, you'd probably have clicked off after a few episodes. But when you're sold a redemption story and watch it on that promise, you're going to be pretty angry about being lied to on that front.
- The lie of Rudeus' degeneracy.
The dissonance between how fans portray the series and what it actually is comes from a different moral framework of what counts as a bad person. You'd think being a pedophile would qualify. Apparently not.
Rudeus' sin, as far as the narrative and fans are concerned, was being an antisocial otaku NEET (it's called Jobless Reincarnation, after all), not being a sexual degenerate, which gets treated on the same level as being a liar or a people-pleaser. Most fans expect you to just appreciate that he's improving elsewhere, and bringing up the sex-offender thing is framed as unreasonable. God forbid we expect a "redeemed man" to see something wrong with touching kids.
There's rarely any real acknowledgment of why people have a problem with this, because it's not an issue in his new world, so apparently it's not an issue at all. If Mushoku Tensei were just standard soulless isekai slop, nobody would talk about this as much. But you can watch every other part of his character develop well while this one stays frozen, which makes it glaring by contrast.
Picture someone showing off a pristine, deep-cleaned wall in their house, except there's a smear of shit on it. It's disgusting, smells and rather hard to ignore, no matter how much they insist the wall is clean.
What's really strange, and what actually inspired this post, is that you'll never get a consistent answer from fans on what role this plays in Rudeus at all.
Fan #1 says it eases off as he grows up. Fan #2 dismisses it as minor. Fan #3 says he's meant to be flawed and it's fine as contrast. Fan #4 blames past trauma and mental stunting, then in the same breath says he's a fundamentally different person now because of his new body. Fan #5 will fucking defend him outright, insisting most people would do the same in his position!
All of these contradictory opinions get held simultaneously in Rudeus' defense, and they contradict the series itself just as much.
"This is a story about redemption, but ignore how this one trait never gets addressed and is basically rewarded. But I promise it's about him growing as an individual!"
Yeah… ok.
MT fans love saying people don't understand Rudeus but do they?
Defending him this hard doesn't read as fighting off unjust slander of your favorite show. It reads as excusing how gross his actions are, and most people don't fuck with that.
Also, I want to be clear: in most circumstances, I wouldn't care if Rudeus was a pedophile. Truly.
I don't subscribe to the idea that a story containing taboo topics means the author or the audience condones them, and I don't care if you like self-insert wish-fulfillment stories either, I'd be a hypocrite to judge that. Using fiction to judge someone's real moral worth is a disservice to the art; you have to be able to separate fiction from reality. I like plenty of characters worse than Rudeus.
But you still need to be honest about why some people wouldn't like a series or character instead of blinding yourself to its flaws. And most importantly, there's a line between being a fan of something and unironically defending these actions as if they aren't abhorrent. Something I've sadly seen happen a lot around Mushoku Tensei's problematic elements.
And when those elements don't just exist within the main character but pollute the core of the narrative, I think people have grounds to question the author too.
- The lie of the narrative.
Every criticism of the show tends to get dismissed as a lack of understanding, or an aversion to dark sexual elements in fiction generally. That argument has some merit; I've seen genuinely bad-faith takes on MT and there's a real problem right now with people conflating "a story contains X" with "the story endorses X."
The issue with Mushoku Tensei specifically is representation.
The longer you watch or read, the more obvious it becomes that the whole world, not just Rudeus, is soaked in sexual deviancy that's never taken seriously. It starts to feel like wish-fulfillment dressed up as worldbuilding, a setting engineered to justify the author inserting his fetishes without actually engaging with them.
The usual comeback is to point at other "problematic" media for justification: Vinland Saga, Berserk, or the favorite, A Song of Ice and Fire, since it's also medieval. But that comparison falls apart the moment you actually look at how those stories handle it versus how MT does.
Every author tailors their world to justify certain elements; that's part of writing fiction (how else are teenagers going to be sent to fight gods and demons?). But good authors know when a problematic element shouldn't be let off the hook by the narrative just because it's justified by the setting.
I've only watched the Game of Thrones show and it was while a while ago so forgive me if I futz up some details. With all the incest, rape, slavery, and cheating in Westeros, I never once got the vibe of "Ha! isn't this hilarious?"
The world is deeply fucked up, treachery is rewarded, and honor has a steep cost, but the awful stuff carries weight and consequence.
Take cheating: it's common, but the wives don't just shrug it off. We see how it actually damages them and the people around them.
Robert's infidelity breeds real resentment in Cersei, tied to the threat those bastards pose to her children's claim/legitimacy and her own humiliation as queen. Catelyn's hatred of Jon isn't just about Ned "cheating," it's about what his existence threatens for her own kids and him going against his vows, and that resentment shapes Jon's whole arc too. Ned and Robert mostly get away with it because of their positions, and that's the point: the system protects them, and that's part of the critique the story is making about how Westeros and a lot of societies today still work.
None of this exists just because. It's interconnected, building the setting, plot, and character. These things are "justified" by the setting, but they don't clash with the actual themes the story is trying to land. I expect that from authors, because there are certain things you can't put in a story without treating them with real seriousness. Rape and pedophilia are two of them.
I don't mean every predator has to die or suffer some obvious punishment. A bad guy winning isn't automatically an endorsement if the story shows the real cost of what they did. GOT isn't perfect, but the discussion around it is mostly good faith, and there's clearly effort being made in its delivery and message.
Mushoku Tensei does an abysmal fucking job of this, and it's by design.
The author built a world where you can live out your fantasies without ever really being called out for them! It's not just Rudeus, either: his father Paul rapes the family maid Lilia as a teenager, and she later ends up seducing him and having his kid. Roxy, who's known Rudeus since he was five, sorta takes advantage of his depression to sleep with him. Ruijerd marries Rudeus' little sister. Cliff and Elanilise. Etc
The setting is festooned with this crap, and unlike ASOIAF, there's no larger message being sent, no subtextual condemnation. The narrative doesn't just justify it, it glorifies it, and you're expected to laugh along.
What makes it worse is that Rudeus is literally from Earth. He knows what modern decency looks like. Yet he conveniently ends up somewhere a thousand years behind on human rights, and it's treated as a blessing with zero irony.
He was clearly traumatized and not a good person, but he still knew right from wrong; he even admits his brother wasn't wrong to beat him up for cranking it to pictures of his child daughter. But that understanding of modern morals mysteriously vanishes when he starts touching on kids!
The clearest example of the narrative undercutting its own themes is him cheating on Sylphie. During his ED arc, his degeneracy gets somewhat toned down (he still ties up and sexually assaults two girls to test if it would "come back," but sure, toned down). He reunites with Sylphie, marries her, and has a kid on the way. She's the one who pulls him out of his darkest period, and it seems he won't be a slave to his desires.
And in return, he cheats on her with Roxy.
Brings her on as a second wife, and faces basically zero consequences for it. (It became cheating when Rudeus took her as his wife even if he didn't initiate)
There's no lasting weight anywhere in Sylphie and Roxy's dynamic. He apologizes once, Sylphie forgives him, he has a heart-to-heart at his dad's grave about "understanding him now," gets mildly chastised for a bit, and that's it. It's fine, apparently, because Sylphie always expected him to cheat, he doesn't believe in monogamy anyway, and his promise to stay faithful was just wishful thinking.
Christ.
A flaw Rudeus has had since page one barely dents one of his most important relationships, and any pushback gets framed as expecting too much of him, as if accountability itself is the unreasonable part. "We promised you growth... but why did you actually expect him to grow?"
Just like that, the story's own premise collapses under both the fans and the narrative.
They treat this as a journey of an irredeemable man becoming better, while refusing to actually hold him to any standard, because they can't agree what that standard even is.
Comparing this to Vinland Saga, Berserk, or ASOIAF doesn't work, because those stories don't flinch from showing their characters as genuinely bad people and making them pay a real price for it. Those authors build their entire narrative around a core message. MT's author clearly doesn't.
In MT, growth is defined by how much you contribute to your community. That's why Rudeus keeps getting confronted about his other past flaws, but never this one, and when he is, it's brushed off in a moment for the sake of wish-fulfillment.
The whole story is about whether people deserve a second chance, but how can that mean anything if he's never actually confronted about why he needed one?
A character only gets real depth through challenge and conflict. Picking and choosing what to challenge sends its own message, especially when the thing you don't challenge keeps getting rewarded.
When fans refuse to see how the author handles all this, it doesn't reflect well on the series or the people it attracts.
There's nothing wrong with liking Mushoku Tensei. But being dishonest or lying about its flaws doesn't earn it any grace, and it won't stop people from seeing the shit on an otherwise clean wall that some of you refuse to look at.