The Spring 2026 Anime Preview Guide

Ascendance of a Bookworm Part 3: Adopted Daughter of an Archduke

In order to keep her family safe and continue to pursue her dream, Myne has been forced to leave her life behind to become Rosemyne, the daughter of the noble, Karlsted. Now she must integrate herself into the life of the nobility and take on all the responsibilities that come with it, while also having to try her best to keep her true identity hidden from her new family. What awaits Myne now that she's taken on a new identity, and will she be able to achieve her goal of a world where everyone can read books?

Ascendance of a Bookworm Part 3: Adopted Daughter of an Archduke is based on the light novel series by author Miya Kazuki and illustrator You Shiina. The anime series is streaming on Crunchyroll on Saturdays.

In a boundless sea of isekai titles and reincarnation stories that feel like standard power fantasies, Ascendance of a Bookworm has managed to be one of the strongest titles those genres have to offer. While a story about a girl being reborn into a world without books and trying to kickstart the printing industry from scratch doesn't sound all that exciting on paper, its slow burn approach to worldbuilding and willingness to engage in all the economics of Myne's pursuits has proven to be surprisingly effective, and have allowed it to gradually transform into a bonafide hit. So much so, in fact, that not only has this new season managed to lift the series out of a late night time slot into the same one formerly occupied by the likes of My Hero Academia, but has even seen it switch studios from Ajia-do to the more prestigious Studio Wit. All that suggests there's a lot of long term investment being made to transform the series into a more mainstream hit, so how does all that translate into season four?

Well, for the most part, this premiere just feels like more of the same when it comes to how Bookworm operates. After being forced into taking on a new identity to protect her family, this episode sees the start of Myne having to adjust to living the life of a noble, which means getting to know the new family she's using as her cover story and having to learn all the customs attached to being considered presentable amongst the nobility. It's all obviously a lot for her to take in while keeping her story of being a secret daughter who was raised in the cathedral straight, and considering that only Ferdinand and her “real dad” Karlsted are aware of her true identity, I do wonder how long she'll be able to maintain her secret considering how sharp her new brother/retainer Cornelius seems to be. For the most part, though, Myne is able to maintain her cover and only shows a crack in her facade the day she's set to be formally adopted by Sylvester when she starts crying after receiving a hair ornament made by her old family. Even with as sharp as Myne is, it's still clearly a lot for her to be separated from the family she's spent so much time getting to know, and with how stern Ferdinand tends to be, it is nice to see him make a genuine effort to comfort her while she's coming to terms with it.

Overall, this is a pretty low-stakes premiere, but for the kind of story Bookworm is, it's about what I was hoping for. The series tends to be at its best when it's taking its time to slowly set-up any new additions to its worldbuilding, so it's good to see that even with all these changes going on for it behind the scenes, it still largely feels the same, with the only real difference being how some of the displays of magic, like the one we see towards the end of the episode, are a bit flashier than in seasons past. While I suppose that might be a letdown to anyone expecting a big visual glow-up, since there wasn't too much wrong with the look of first three seasons aside from some limited animation, I'm fine with a subtle increase in quality rather than a massive visual overhaul. So far it looks to be business as usual for Ascendance of a Bookworm and now that she's become a noble, I'm sure that there'll be plenty of new challenges awaiting Myne on her road to worldwide literacy.