★ 6.2 TV Series
Samurai Harem
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… Read more
Storyline
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.
Characters & Japanese Voice Cast
Yuna Konnyaku
Main
VA: Mai Nakahara
Mamoru Kagemori
Main
VA: Tomoe Hanba
Hotaru Kumogakure
Supporting
VA: Erina Furukawa
Airi Sawagashi
Supporting
VA: Ryouko Shintani
Tsubaki Mapputatsu
Supporting
VA: Sachiko Kojima
Yamame Hatori
Supporting
VA: Ai Shimizu
Sakurako Kagemori
Supporting
VA: Miki Itou
Kengo Kagemori
Supporting
VA: Hisashi Izumi
Burumaru
Supporting
VA: Noboru Yamaguchi Similar Anime
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Frequently Asked Questions
How many episodes does Guardian Ninja Mamoru have?
Guardian Ninja Mamoru has 12 episodes.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 2 November 2026, 4:55 PM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].