Nanako

ななこ

A timid young girl suffering from amnesia. She possesses the ability to fly, exhibits superhuman strength, and can grow to a giant size. She resides with Yotsuya and Shibuya, as Yotsuya has pledged to assist her in recovering her memories. They provide her with a costume and nickname her "SuperGirl". However, she remains oblivious to the fact that they merely intend for her to aid them in combating crime.
She encounters various peculiar occurrences while acting as a hero, such as transforming into a boy named Nanano. At one stage, her powers vanish.

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