I'm looking for a manga with a Yankee girl similar to Matura Megumi from Tokkou! Artemis “By day, Matoba Megumi is a model student in every sense, But at night, Megumi becomes the leader of the female biker gang

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Yankee-kun to Megane-chan (Shounen, hilarious)
Obaka-chan, Koigatariki (Shoujo, somewhat shallow)

oresama teacher hilarious series.

Yandere Kanojo

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in need of romance?
uncommon, sad, sweet

Hey guys again I am looking for a manga that the heroine normal but becomes a gangsters in the same category

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Hot Road is a shojo classic about a troubled girl who falls for a boy from a motorcycle gang and goes delinquent. It's based on the author's own experiences as a delinquent.

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seconded! i love this series!

and what about kamikaze girls?

Well, your description may not match the main character, but in Yasuko to Kenji is also a girl included, which was once a 'Sukeban'/Yankee and is now trying to run a flower shop, but always acts up like she did back then (accidentally or not). ^^"


Think so, too!

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"It's like love is a bonus in your life. Even without it, I'm just fine. I don't feel like pointlessly searching for it. You don't have to make yourself unhappy." (Ookami Shoujo to Kuro Ouji)

"Why does it rain?" - "To create drama." (Drops (Andou Yuki))

Yankano! has what you requested in reverse.