Koisuru Yankee Girl

When a fiery yankee named Sudou Ayame suddenly confesses her love to Kazami Nagi, he literally can't resist out of fear for his life! Now with their relationship established, Nagi begins to learn that Ayame is more of an innocent maiden than he originally would have thought and subsequently, his own feelings for her may began to blossom too. Well, that is if he can survive Ayame's rough personality and her overbearing delinquent friends as well!

(Source: MU)