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One Two Three

一二三

“Music video for "Ichi Ni no San" by Penthouse, the opening theme for Mairimashita! Iruma-kun Season 4.”

1 episodes3 min

MusicSpring 2026PG-13 - Teens 13 or older

6.8 Community score

460 viewers1 favorites

One Two Three

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Synopsis

Music video for "Ichi Ni no San" by Penthouse, the opening theme for Mairimashita! Iruma-kun Season 4.

Music video for the song Ichi Ni no San by Penthouse. The song was used as the opening theme of the anime Mairimashita! Iruma-kun 4th Season.

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A self-contained story.

No sequels, spin-offs or alternate tellings — One Two Three begins and ends here.

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Production slate

Reel · 01 Cat. №BS-29571

A Music Production · Spring 2026

Format
1 × 3′
eps × min
Total runtime
0h 03m
all episodes
Aired
Apr 2026 – Apr 2026
Spring 2026
Source
Music
media type
Rated
PG
13 - Teens 13 or older
Ref.
BS-29571
catalog

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