One Two Three
Music · 1 episodes · PG-13 - Teens 13 or older
7.19/ 10 · from 1 source
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.
Why this rank?
Every source below feeds the aggregate, weighted by votes and reliability — see the full methodology. No black box.
| Source | Score | Normalized | Votes | Rank there | Updated |
|---|---|---|---|---|---|
| MyAnimeList | 6.71 | 6.71 | 138 | — | 7/9/2026 |
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