Jubei-chan the Ninja Girl: Secret of the Lovely Eyepatch

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When ordinary junior high student Jiyu Nanohana dons the Lovely Eye Patch, she transforms into the legendary samurai Yagyu Jubei, inheriting a centuries-old feud.

📖 SYNOPSIS

Just a regular 14-year-old living her best life, Jiyu Nanohana has no idea what's coming until a scatterbrained 300-year-old samurai shows up and hands her a heart-shaped eyepatch that turns her into the reincarnation of legendary swordsman Yagyu Jubei. That's the kind of show this is. It's a 13-episode TV series from Madhouse that smashes together magical girl transformation sequences with legit samurai duels, and somehow the whole thing just works. Jiyu's got school drama, a sweet relationship with her ghostwriter dad, and a rival clan called the Ryujoji who've been nursing a grudge for centuries and keep sending warriors after her in increasingly ridiculous situations. The comedy hits genuinely well — Koinosuke, her ancient samurai guide, is a complete disaster of a mentor — but the show also knows when to slow down and let the emotional beats land. Think of it as what you'd get if Sailor Moon's transformation concept collided with Rurouni Kenshin's swordplay and Ranma ½'s chaotic energy, all filtered through a late-90s Madhouse aesthetic that still looks sharp. The 'Lovely Eyepatch' as a transformation device is such a weird choice that it circles back around to being genuinely cool. At only 13 episodes it never overstays its welcome, and the blend of historical grudge matches with modern school life gives it a personality that's hard to find anywhere else. If you're into genre mashups that commit fully to the bit, this one's worth your time.

GlowingStar

Overall Ranking

✨ MUST WATCH IF...

You enjoy samurai parody anime that's self-aware and breaks the fourth wall regularly
Jiyu's father-daughter dynamic and coming-of-age arc sound like your kind of emotional depth
A 13-episode Madhouse series mixing comedy with legit sword fights fits your schedule perfectly
You like transformation-based heroines—think magical girl meets historical samurai legacy

❌ SKIP IF...

Late '90s animation style is a dealbreaker—Madhouse's work here looks its age
You want pure action—this leans heavily into goofy comedy between fight scenes
Simplistic humor and over-the-top gag characters aren't your thing at all

🎬 EPISODE GUIDE

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🎭 CHARACTERS

Jiyu Nanohana

Bright 14-year-old Jiyu transforms into legendary swordsman Yagyu Jubei when wearing her heart-shaped eyepatch.

Portrayed by Horie Yui, Konishi Hiroko

Koinosuke Odago

Koinosuke Odago, Jubei's loyal servant, comedically searches for a worthy successor, entrusting Jiyu with his master's legacy.

Portrayed by Okiayu Ryoutarou

Sai Nanohana

Talented ghostwriter Sai Nanohana, Jiyu's father, is haunted by his late wife's memory, dedicating himself to fatherhood after her death.

Portrayed by Fujiwara Keiji

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Jubei-chan the Ninja Girl: Secret of the Lovely Eyepatch

Studio

Madhouse

Season

Spring 1999

Start Date

1999-04-06

End Date

1999-06-29

Episodes

13

Type

TV

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