Mushoku Tensei’s Original ‘Diary’ Special Release Draws Reaction — 5ch: ‘That Was Such a Bad Move by the Man-God’

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The story

Following the broadcast of episode 13, “Diary,” of Mushoku Tensei Season 3, the official website specially released the “Diary” section from Volume 15 of the original light novel. Fans who read it on the thread debated original-story episodes not depicted in the anime, as well as the Man-God’s true intentions in trying to manipulate Rudeus. In particular, based on the author’s comment that the story’s timeline works as an “overwrite” system rather than a “branching” one, opinions were divided on how Old Deus’s decision affected the main timeline. There was also discussion about the episode ordering — specifically the intent behind showing last week’s Old Deus episode first.

What people said

1AnonymousSep 21, 2026 18:04
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[NO SPOILERS] Mushoku Tensei ~ Jobless Reincarnation: I Will Seriously Try If I Go To Another World ~ 145
97AnonymousSep 21, 2026 19:50
Following the broadcast of Season 3 Episode 13, "Diary," the "Diary" section from Volume 15 of the original light novel has been specially released
https://mushokutensei.jp/special/rudeus-diary/
103AnonymousSep 21, 2026 19:56
Re: #97
It's kind of sad that Eris's proposal basically comes across as her just yelling
114AnonymousSep 21, 2026 20:09
Re: #97
LOL the Man-God's page
Is this the notoriously hard-to-read early version everyone talks about?
235AnonymousSep 21, 2026 22:32
Re: #97
I read this diary, but as for the original-story details people bring up in this thread that are missing —
were they cut to match the anime,
or are they things that only get revealed after the diary (i.e., spoilers)?
205AnonymousSep 21, 2026 21:34
The latest episode was great
Honestly kind of a relief they packed it into one episode
It felt long and rough reading it in the original novel

That Man-God riling up main-timeline Rudy was such a bad move
Well, I guess to that Man-God, it doesn't matter what happens to his other-timeline self
206AnonymousSep 21, 2026 21:37
Re: #205
I think it was mentioned on the author's X (Twitter) or something that this world runs on an "overwrite" system, not a "branching" one

[Old Deus] got way too cocky after becoming convinced he'd escaped a life-threatening crisis for the first time
Also, that was around when Aisha came back to him, and it was a period when Rudeus was recovering, having resolved to at least cherish Zanoba and Julie, who kept looking out for him and helped make the Sylphie doll together
So it's also about turning that (recovering) Rudeus into a vengeful demon and wrecking his life
208AnonymousSep 21, 2026 21:40
Re: #205
There's an old, strict rule that villains have to laugh and spill the truth to the hero or their allies at the end
211AnonymousSep 21, 2026 21:45
Re: #206
Don't the Man-God and Orsted notice something like, "Wait, did time just get rewound?"
279AnonymousSep 21, 2026 23:34
Trending on X


Fear and shock that last a lifetime, for a love and courage that last a lifetime!
281AnonymousSep 21, 2026 23:34
Re: #279
Mushoku Tensei got outclassed by Re:Zero on gore
https:/youtu.be/cSEhGG0_YSA?si=RFcCXdQP2vbIZhCP
https:/youtu.be/yAP9ZVaMraw?si=n4r1TNW4sIcQkLtn
294AnonymousSep 21, 2026 23:52
It was thought that the Sylphie and Roxy Old Deus saw at the very end were seen through his Foresight Eye,
but the Sylphie he saw is wearing earrings
while the real Sylphie isn't — so the theory is shifting to: it was the Foresight Eye up until he opened the door,
and after that he was seeing an illusion
https://pbs.twimg.com/media/HSvmZ2aaoAAPglM.jpg
https://pbs.twimg.com/media/HSvmZ2VakAAUHgB.jpg
296AnonymousSep 21, 2026 23:59
Re: #294
Haven't rewatched the clip, but
he was seeing it on the right side, through the Foresight Eye, right?
297AnonymousSep 21, 2026 23:59
Re: #294
At first the Foresight Eye just shows the afterimage of the open door with the two of them in it,
but the instant it flashes, the afterimage is gone — so the part where they hold hands is probably the illusion
298AnonymousSep 22, 2026 00:02
Re: #294
No way Rudy would gently smile while holding the hand of some mystery dying old man he's nursing
Or maybe, being on the verge of death, his hazy consciousness put a filter on it
393AnonymousSep 22, 2026 01:59
Re: #391
Reminder: garbage-tier Mushoku Tensei shot itself in the foot with its shallow gore
394AnonymousSep 22, 2026 02:05
Re: #393
What do you think of the "race-walk waddle~" thing (a fan meme)?
395AnonymousSep 22, 2026 02:06
Re: #394
Weak-sauce Mushoku Tensei can't even make a meme, what a scrub
398AnonymousSep 22, 2026 02:13
Re: #395
https://blog-imgs-159.fc2.com/t/e/s/tesuto93/mlS9y1m.jpg
Something like this would make a good crossover, no?
399AnonymousSep 22, 2026 02:13
Re: #398
Don't need Mushoku Tensei
Otto's take is the correct one
410AnonymousSep 22, 2026 02:44
Funny
411AnonymousSep 22, 2026 02:47
Reading the diary, the reason he hated Eris so much, thinking she was the Man-God's agent,
was because she was the reason he didn't make it in time to stop Sylphie's execution

But it also looks like the Man-God was feeding ideas to Philemon around here too

Along with the fact that the Millis Knights knew the location of the teleportation magic circle,
if you look closely, you can see the Man-God interfering all over the place trying to crush Rudeus
412AnonymousSep 22, 2026 02:47
The guy who painted The Scream was a genius, huh 😱
414AnonymousSep 22, 2026 02:52
If you're going to be that suspicious, the prostitute seems like the most suspicious one to me —
like, "chat up the moody blond hottie and cash in"
and that was the decisive blow for his breakup with Sylphie
439AnonymousSep 22, 2026 04:16
Re: #414

Re: #413

Re: #412

Re: #411

Re: #410, ., , ,
Garbage anime that lost to Re:Zero
482AnonymousSep 22, 2026 07:11
They should've skipped the Old Rudeus episode and shown this one first instead
483AnonymousSep 22, 2026 07:16
Re: #482
Do that and everything up to now would look like it was Old Deus's story
Swapping episodes 12 and 13 might hit harder,
but this isn't a "do-over" story, so that's exactly what they should never do
486AnonymousSep 22, 2026 07:18
Re: #482
Without last week's episode, you'd just be sitting there like "wait, what's even happening?"
492AnonymousSep 22, 2026 07:23
Re: #482
Doing that would make it look like the protagonist role gets handed down from Old Deus
The one who's continuous with the story so far is present-day Rudeus — Old Deus is, after all, a different person
685AnonymousSep 22, 2026 13:06
What a kind world
704AnonymousSep 22, 2026 13:46
Re: #685
Beaming ear to ear, lol
726AnonymousSep 22, 2026 14:26
But hey,
couldn't the Man-God in Old Deus's timeline
have stepped in to stop him once he noticed Old Deus was researching transference to the past?
741AnonymousSep 22, 2026 14:49
Re: #726 Even Great Demon King Vearn knew the hero Dai existed,
but far from getting rid of him, he raised him up and enjoyed it (reference to Dragon Quest: The Adventure of Dai)
752AnonymousSep 22, 2026 15:03
Re: #726
It says the future suddenly changed because of the great catastrophe,
so I'd guess the setting is that future-sight only shows the pre-overwrite future until the overwrite happens
957AnonymousSep 22, 2026 22:20
Beef up the adult-Eris AI art already
990AnonymousSep 22, 2026 23:37
Re: #957
Adult Eris is actually pretty easy to generate now


991AnonymousSep 22, 2026 23:41
Re: #990
Totally off, but I guess this is the limit of AI
992AnonymousSep 22, 2026 23:41
Re: #990
What are you using for this?

Background and Key Points of This Discussion

Mushoku Tensei is an isekai reincarnation story centered on the life of protagonist Rudeus, but this episode 13 has a complex structure involving the perspective of “Old Deus,” who comes from a future separate from the main story. The “overwrite-style timeline” setting mentioned on the thread isn’t something the author has stated in official materials — it’s sourced from a post on the author’s X account, so it’s worth noting this isn’t confirmed by a primary source. Also, despite the thread title’s “no spoilers” warning, it’s a tradition on this live-discussion board for fans who’ve read the original novel to actively share forward-looking speculation — a defining feature of this series’ threads — so viewers who haven’t read the source material should browse with caution. Old Deus and present-day Rudeus are portrayed as distinct characters within the story, and without assuming that distinction, the thread’s discussion is hard to follow.

*This article is excerpted and summarized from the 5ch (anime) thread “[NO SPOILERS] Mushoku Tensei ~ Jobless Reincarnation: I Will Seriously Try If I Go To Another World ~ 146.”

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