Successful musical artists only in unpopular anime
Anime
Mainstream successful artists who are present only in titles with <100k members on MAL.
These anime/artists may be more popular in Japan or a non-English broadcast country (or old).
*Very WIP. So far it's mostly artists I like from outside of anime that I could think of within 5min :v
Ordered from most to least members
Honorable mentions who are only in 1 anime >100k MAL members:
CAPSULE - Sidonia no Kishi: Ai Tsumugu Hoshi (only anime performance, although the composer frequents in anime)
GACKT - His only popular anime, Sket Dance, features him as a VA as well as in a fictional band.
Ichiko Aoba - Koukaku Kidoutai Arise
POLKADOT STINGRAY - Radiant (& soon I Have a Crush at Work)
tricot - Kimi wa Meido-sama. (their first anime appearance after 14 years of activity)
ZIGGY - Detective Conan (& have their own anime movie)
These anime/artists may be more popular in Japan or a non-English broadcast country (or old).
*Very WIP. So far it's mostly artists I like from outside of anime that I could think of within 5min :v
Ordered from most to least members
Honorable mentions who are only in 1 anime >100k MAL members:
CAPSULE - Sidonia no Kishi: Ai Tsumugu Hoshi (only anime performance, although the composer frequents in anime)
GACKT - His only popular anime, Sket Dance, features him as a VA as well as in a fictional band.
Ichiko Aoba - Koukaku Kidoutai Arise
POLKADOT STINGRAY - Radiant (& soon I Have a Crush at Work)
tricot - Kimi wa Meido-sama. (their first anime appearance after 14 years of activity)
ZIGGY - Detective Conan (& have their own anime movie)

TV, 2025,
12 eps
Me:-
Author:-
SHISHAMO
The recent adaptation from Hibike Euphonium's mangaka
The recent adaptation from Hibike Euphonium's mangaka

TV, 1996,
373 eps
Me:-
Author:-
Hoff Dylan (ED1), Arashi (ED12)

Movie, 1986,
1 ep
Me:-
Author:-
Mariya Takeuchi - most known for Plastic Love
> Also in: Pokemon Concierge
> Also in: Pokemon Concierge

Movie, 2015,
1 ep
Me:-
Author:-
Morning Musume
Also in Shin-Chan (which is somehow <100k members despite being commonly mentioned)
Also in Shin-Chan (which is somehow <100k members despite being commonly mentioned)

OVA, 1992,
7 eps
Me:-
Author:-
SCANCH
> Also in the Virtual Trilogy that aired on Tensai TV-kun
Vocalist ROLLY appears in Chikyuu Bouei Kazoku & Zoku/Goku Sayonara Zetsubou Sensei
> Also in the Virtual Trilogy that aired on Tensai TV-kun
Vocalist ROLLY appears in Chikyuu Bouei Kazoku & Zoku/Goku Sayonara Zetsubou Sensei

TV, 1991,
29 eps
Me:-
Author:-
WINK
> Also in: Tsuyoshi Shikkari Shinasai
> Also in: Tsuyoshi Shikkari Shinasai

OVA, 1991,
1 ep
Me:-
Author:-
Kyosuke Himuro - vocalist of J-rock band BOOWY

Movie, 2010,
1 ep
Me:-
Author:5
Yui Aragaki - popular actress married to singer Hoshino Gen

OVA, 1991,
2 eps
Me:-
Author:-
CHAGE and ASKA
> Also has an animated MV On Your Mark
> Also has an animated MV On Your Mark