Welcome to Demon School! Iruma-kun Episode Ratings Heatmap
2019 · 4 Seasons · 89 Episodes · Overall Score: 6.9/10 (23 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.39), maintaining an average of 6.9.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
| Episode | Season 1 | Season 2 | Season 3 | Season 4 |
|---|---|---|---|---|
| Ep 1 | 7.0 | – | – | – |
| Ep 2 | 6.5 | – | – | – |
| Ep 3 | 6.0 | – | – | – |
| Ep 4 | 6.2 | – | – | – |
| Ep 5 | 6.7 | – | – | – |
| Ep 6 | 7.0 | – | – | – |
| Ep 7 | 7.0 | – | – | – |
| Ep 8 | 7.7 | – | – | – |
| Ep 9 | 7.0 | – | – | – |
| Ep 10 | 7.3 | – | – | – |
| Ep 11 | 7.3 | – | – | – |
| Ep 12 | 6.7 | – | – | – |
| Ep 13 | 7.0 | – | – | – |
| Ep 14 | 6.7 | – | – | – |
| Ep 15 | 6.7 | – | – | – |
| Ep 16 | 7.0 | – | – | – |
| Ep 17 | 6.7 | – | – | – |
| Ep 18 | 7.3 | – | – | – |
| Ep 19 | 6.7 | – | – | – |
| Ep 20 | 7.3 | – | – | – |
| Ep 21 | 6.7 | – | – | – |
| Ep 22 | 6.3 | – | – | – |
| Ep 23 | 6.7 | – | – | – |
| Ep 24 | – | – | – | – |
| Season Avg | 6.9 | – | – | – |
Ratings Analysis & Trajectory
Across 4 seasons and 89 episodes, Welcome to Demon School! Iruma-kun has earned an overall series rating of 6.9 out of 10. The series displays remarkable consistency across its narrative arc, maintaining reliable ratings from premiere to conclusion.
The single highest-rated hour of television in the series is Season 1, Episode 8 ("Head Over Heels for Clara"), rated at an extraordinary 7.7/10 with 3 ratings. Conversely, the lowest-rated installment is Season 1, Episode 3 ("Iruma and Clara / Demon Friends"), landing at 6.0/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 8 ("Head Over Heels for Clara", 7.7) and Episode 9 ("Iruma's Decision and Hard Work", 7), a swing of 0.7 points.
Top 10 Highest Rated Episodes of Welcome to Demon School! Iruma-kun
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 8 | Head Over Heels for Clara | 7.7 | 3 | Nov 23, 2019 |
| #2 | Season 1, Ep 10 | Fierce Battle, Execution Cannonball!! | 7.3 | 3 | Dec 7, 2019 |
| #3 | Season 1, Ep 11 | Together with Familiars! | 7.3 | 3 | Dec 14, 2019 |
| #4 | Season 1, Ep 18 | What I Want More Than Anything | 7.3 | 3 | Feb 1, 2020 |
| #5 | Season 1, Ep 20 | Glorious Award / Treatment of Humans | 7.3 | 3 | Feb 15, 2020 |
| #6 | Season 1, Ep 1 | Iruma-kun from Demon School | 7.0 | 5 | Oct 5, 2019 |
| #7 | Season 1, Ep 6 | Ameri's Theory | 7.0 | 3 | Nov 9, 2019 |
| #8 | Season 1, Ep 7 | First Love Memories | 7.0 | 3 | Nov 16, 2019 |
| #9 | Season 1, Ep 9 | Iruma's Decision and Hard Work | 7.0 | 3 | Nov 30, 2019 |
| #10 | Season 1, Ep 13 | The Magical Apparatus Battler | 7.0 | 3 | Dec 28, 2019 |