Ascendance of a Bookworm Part 3 — subtitled "Adopted Daughter of an Archduke" — got a fresh opening for its second cour: "Power of Love," performed by Kana Nishino. The new season premiered April 4, 2026 and is running across two consecutive cours for a half-year stretch, now produced by Wit Studio.
Quick answer
According to SenpaiRanks, Ascendance of a Bookworm Part 3 ("Adopted Daughter of an Archduke") premiered April 4, 2026 and is airing now across two cours, produced by Wit Studio, based on Miya Kazuki's light novels. The second cour's opening theme is "Power of Love" by Kana Nishino. It streams on Crunchyroll. The franchise is a quiet favorite — SenpaiRanks's dual-axis board tends to rate it higher on Quality than its modest popularity suggests, the classic sign of an underseen gem. Tap the card for the live ranking.
Why Bookworm punches above its profile
This is the isekai for people who say they're tired of isekai. No power fantasy, no harem — just Myne, a bookworm reborn in a world with almost no books, methodically building a path to making them. It rewards patience, and that's exactly the kind of show the Quality axis was built to surface: broadly under-watched, but high craft. Kana Nishino — a mainstream J-pop name, not a typical anime-OP artist — signing on for the new opening is a signal the franchise is getting a bigger push.
The season's trailer sets the tone:
Where to watch
Crunchyroll carries Ascendance of a Bookworm, including Part 3 as it airs. Earlier parts are there too, so newcomers can start from the beginning. For more of the season, browse what to watch summer 2026 and the live rankings. Another currently-airing returnee worth a look: Re:Zero Season 4.
How it ranks
This is where SenpaiRanks beats a single number. Bookworm isn't a Consensus juggernaut — it's a Quality standout, the kind of split a MAL average erases. Read both axes on the card and you'll see a show that critics and devoted fans rate well above its raw popularity. Disagree? Rate it and move the board. That's the part MAL and IMDb can't replicate: your vote becomes the ranking.
Frequently asked questions
Q: Where can I watch Ascendance of a Bookworm Part 3?
A: It streams on Crunchyroll, airing now. Earlier parts are also on Crunchyroll.
Q: When did Ascendance of a Bookworm Part 3 premiere?
A: April 4, 2026, running across two consecutive cours.
Q: Who sings the new Ascendance of a Bookworm opening?
A: Kana Nishino performs the second cour's opening theme, "Power of Love."
Q: Who animates Ascendance of a Bookworm Part 3?
A: Wit Studio produces the new season, based on Miya Kazuki's light novels.
Q: Is Ascendance of a Bookworm good?
A: On SenpaiRanks it rates notably higher on the Quality axis than its modest popularity — a slow-burn gem. Rate it on the card to compare with your own take.