The Enemy Brought a Memory with Them

Jubei-chan the Ninja Girl: Secret of the Lovely Eyepatch – Season 1

Mikage and her husband are requested to defeat Jubei II, they kidnap both Sai and Koinosuke in order to force Jiyu to give up the Eyepatch in exchange for the hostages. When Mikage puts on the Eyepatch, though, it starts burning her. Jiyu remembers that her mom felt hot before she died and instinctively jumps in and rips the Eyepatch off, leaving a smoky Mikage. Jiyu says that although they look similar, Mikage is not her mom. She transforms and defeat them.