Kage Kara Mamoru- [verified]

: A relative of Mamoru and a ninja herself. She is often disappointed by his "nerdy" civilian appearance but deeply respects his skills. Media History Guardian Ninja Mamoru (Literature) - TV Tropes

Enter (translated as Mamoru-kun ni wa Katerarenai! or literally Protect from the Shadows! ). This series is a hidden gem from the mid-2000s that blends high-stakes action with slapstick humor, creating a unique dynamic where the protagonist’s greatest strength is his ability to remain completely unnoticed. Kage kara Mamoru-

Despite its charm, the series faced several hurdles: : A relative of Mamoru and a ninja herself