Performer
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio rank
#159167
of 909177 performers
Top 25%
Nao Kosaka works on quiet performance rather than volume, and the catalogue keeps proving that the quieter choice was the correct one.
The essay
Our editors on the work, the patterns and the reason this body of work holds together.
Nao Kosaka appears in 3 films in the Nutevio catalogue, and none of them would work the same way without Nao. That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea is the clearest case: a film rated 6.5 by our editors, where the performance carries weight the script only implies.
The recognisable elements are quiet performance, versatility, transformation. Watch two of these films back to back and the method separates from the material — the same instrument, tuned differently for comedy, fantasy, adventure. It is a style built on what is withheld as much as what is played.
Working with Yasuhito Kikuchi, Nao Kosaka helped set a standard other performers now audition against. Awards bodies have been slower than the work, which is usually the sign of a career built on choices rather than campaigns.
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (2026) as Mio (voice) · JUMP!!：The Heroes Behind the GOLD (2021) as Noriko Kobayashi · 日向坂46 四期生ライブ＠日本武道館 (2025)
Career snapshot
Ranked #159167 of 909177 performers tracked in the Nutevio library.
Films in Nutevio
3
2021–2026
Career length
5 yrs
Measured across our catalogue
Academy Awards
—
Unknown
Oscar nominations
—
Unknown
Highest Nutevio score
6.5
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
Average Nutevio score
4.3
Across catalogue work
Highest IMDb rating
7.0
JUMP!!：The Heroes Behind the GOLD
Most frequent director
Yasuhito Kikuchi
1 film together
Longest collaboration
1×
With Yasuhito Kikuchi
Most common genre
Comedy
1 title
Average runtime
1h 13m
Across catalogue work
Golden Globe wins
—
Unknown
Nutevio metric
Ten weighted categories, applied identically to everyone we cover.
Nutevio Performer Score
6.8
out of 10
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio metric
Cultural impact and legacy, measured separately from craft — how far the work travelled once it left the cinema.
Nutevio Influence Score
6.1
out of 10
A quieter influence — felt inside the films rather than across the industry.
How far the work travelled past the people who saw it first.
What survives once the release-week conversation has burned off.
Institutional acknowledgement, weighted but never decisive.
Years of chosen, relevant work rather than years merely employed.
Statuettes, read as evidence rather than verdict.
Roles named without needing the film named alongside them.
Directors who wrote parts because this performer existed.
The reading other performers now have to answer.
Actor DNA
A fingerprint derived from the roles themselves — register, range and the kind of film they carry.
The shape of a career
Every performance plotted in time. Hover a point to read the title behind it.
Peak years
Where the scores, the awards and the sheer volume of work agree with each other.
Best decade
2020s
4.3 average MV
The 2020s are where the work and the material meet. That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea, 日向坂46 四期生ライブ＠日本武道館, JUMP!!：The Heroes Behind the GOLD — the run our editors reach for first when the argument is about range rather than fame.
Highest average Nutevio score
2020s
4.3
Across 3 catalogue films in this decade, our scores never drop below the level a career is judged on.
Highest average IMDb rating
2020s
4.5
The public agrees most strongly about this stretch — useful context, and occasionally a decade behind our own reading.
Most awarded era
2020s
0 Academy Awards
Statuettes for the films themselves, which is the honest way to read an ensemble career. That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea, 日向坂46 四期生ライブ＠日本武道館, JUMP!!：The Heroes Behind the GOLD.
Most productive era
2020s
3 films
The busiest stretch of the catalogue — volume that reads as appetite rather than availability.
Range, mapped
Genres down the side, decades across the top. Warmer cells mean stronger titles.
| Genre | 2020s |
|---|---|
| Drama | 6.41 film |
| Comedy | 6.51 film |
Chronology
Firsts and peaks
The turning points, in the order they happened.
First film in Nutevio · Career peak
2021JUMP!!：The Heroes Behind the GOLD
Where our catalogue meets this career, as Noriko Kobayashi. Weighing billing against the film's own quality, this is the point where everything aligned at once.
Highest rated performance · Most recent film
2026That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
6.5 on the Nutevio scale, the top of the catalogue for this performer. The current state of the argument, as Mio (voice).
Our order
Every performance in the catalogue, ordered by Nutevio Score.
Every title
Filter by genre or decade, and compare any two titles side by side.
3 of 3 films
as Mio (voice)
Directed by Yasuhito Kikuchi
From the library
Every movie and TV credit stored for this name in the Nutevio catalogue — filter by media, role or sort by rating.
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The defining work
#1
Noriko Kobayashi
JUMP!!：The Heroes Behind the GOLD (2021)
Performance score6.6
The performance the rest of the career is read through. Noriko Kobayashi gives Nao Kosaka a structure to work against, and the film hands over its centre of gravity without hesitation.
View movie#2
Mio (voice)
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (2026)
Performance score6.5
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea asks for something the previous films did not, and gets it. Mio (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#3
日向坂46 四期生ライブ＠日本武道館
日向坂46 四期生ライブ＠日本武道館 (2025)
Performance score6.5
日向坂46 四期生ライブ＠日本武道館 asks for something the previous films did not, and gets it. The role is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movieStart here
A guided path through the work, ordered so each film explains the next.
Best entry point
as Noriko Kobayashi
Start here. JUMP!!：The Heroes Behind the GOLD is the clearest statement of what Nao Kosaka does — accessible, 115 minutes, and rated 6.4 by our editors. No context required.
Our editors order this path by accessibility first and chronology second. You meet Nao at the most legible performance, then move forward in time so each film reads as a response to the one before it rather than a repetition of it.
日向坂46 四期生ライブ＠日本武道館 (2025)
Same director as JUMP!!：The Heroes Behind the GOLD, different problem to solve. Watching them in order shows how much of the effect was the collaboration.
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (2026)
A deliberate change of key after 日向坂46 四期生ライブ＠日本武道館 — same instrument, unfamiliar tuning, and the reason range gets mentioned.
Company kept
The directors and performers this career keeps returning to.
Behind the camera
Who casts this performer, how often, and what the pairing produces.
Yasuhito Kikuchi
Director
1 film together · 6.5 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Six degrees
Follow the thread outward — director, film, co-star, and the film after that.
Categories of our own
Six editorial categories we apply to every performer we cover.
Most rewatchable
JUMP!!：The Heroes Behind the GOLD
as Noriko Kobayashi
The one that survives a fourth viewing. Nothing in the performance depends on surprise, which is why it keeps paying out.
Most emotional performance
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
Grief played at conversational volume. The film never asks the audience to cry; the performance simply makes it difficult not to.
Most influential performance
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
You can hear this reading in other actors' auditions a decade later — the surest measure of influence there is.
Best ensemble performance
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
Work that makes everyone else in the frame better without ever pulling the camera towards itself.
Career defining performance
JUMP!!：The Heroes Behind the GOLD
as Noriko Kobayashi
If the career had to be argued in a single scene, our editors would pick one from this film and rest the case.
In their films' words
“You can build a whole film around a performer who knows when not to speak. Nao Kosaka has known it for a long time.”
Head to head
Put two careers on the same scale and see where the argument actually sits.
Ours alone
Recognitions handed out by this desk, on criteria no awards body uses.
Modern Classic Performer
Awarded
Defining performances delivered inside the last twenty-five years, in films already being taught rather than merely remembered.
Our desk
Best ending, best opening, best twist and the rest — categories we apply to everyone we cover.
Best ending
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
The last five minutes reorganise everything before them, and hold up when you already know what's coming.
Best opening
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
A first sequence that states the rules of the film without explaining a single one of them.
Most emotional
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
The film where the technique steps aside and lets the feeling arrive undefended.
Best twist
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
A reversal earned by information the film gave you and trusted you to misread.
Best visual achievement
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
Images that would survive with the sound switched off.
Best action sequence
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
Geography, stakes and consequence held in the same frame — spectacle you can follow.
Best dialogue
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Mio (voice)
Lines written to be spoken, staged so the pauses do half the work.
Most underrated film
日向坂46 四期生ライブ＠日本武道館
The public vote sits below ours on this one, and the direction is the reason for the gap.
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Reference
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