陰からマモル！
Guardian Ninja Mamoru
Kagemori Mamoru is a dowdy boy whose hair is disheveled and who wears thick glasses, but he is actually the son of a ninja family. They have protected their neighbors, the Konnyaku family, secretly for 400 years. Mamoru has personally protected their daughter, Konnyaku Yuuna, since they were in kindergarten. When Yuuna is in trouble, Mamoru puts on ninja suit and turns into a competent ninja to help her.
Names
| Original | 陰からマモル！ (japanese) |
|---|---|
| Romaji | Kage kara Mamoru! |
| English | Guardian Ninja Mamoru |
| Chinese | 阴守忍者 (simplified · via bangumi) |
| Also known as | Protect from the Shadows! |
Facts
| Format | TV series · 12 ep · 24 min · 5h total |
|---|---|
| Aired | 2006-01-08 → 2006-03-26 (Winter 2006) |
| Status | FINISHED |
| Studio | Group TAC, Studio Tulip |
| Source | Light novel |
| Origin | Japan (Anime) |
| Genres | ComedyRomance |
| Themes | NinjaFemale Harem |
Reception
| Community score | 6.32 / 10 |
|---|---|
| Bayesian score | 6.94 / 10 |
| Composite | 45.9 |
| On lists | 4,858 |
| Favourited | 39 (0.8%) |
| Completion | 81.6% |
| Drop rate | 6.3% |
| In backlog | 40.4% |
| Score spread σ | 1.79 |
Score distribution
117222360412652446342738582269761072
Where it places
| Cohort | Value | Tier | Rank |
|---|---|---|---|
| Studio | Group TAC | — | 15 of 22 |
| Broadcast season | Winter 2006 | D | 25 of 37 |
| Year | 2006 | D | 156 of 232 |
| Source material | Light novel | D | 643 of 927 |
| Era | Late 2000s | D | 775 of 1,149 |
| Season (all years) | Winter | D | 998 of 1,557 |
| Genre | Romance | D | 1,148 of 1,687 |
| Length | Single-cour | D | 1,687 of 2,668 |
| Format | TV series | D | 2,273 of 3,322 |
| Genre | Comedy | D | 2,330 of 3,488 |
| Origin | Japan | D | 4,740 of 7,157 |
Key staff
| Director | Yoshitaka Fujimoto |
|---|---|
| Series composition | Yuuko Kakihara |
| Character design | Sai Madara |
| Music | Takeshi Watanabe |
| Original creator | Tarou Achi, Sai Madara |
AniList id 590 · MAL id 590 · Bangumi 23322 · record updated 2026-08-26