Manga no Coco wa Kiken na Tsubomi!

From FairGame: Egaki Takumi is a boy who loves drawing a manga, and on the first day of high school, he met a girl named Misono Tsubomi, who fell from sky while showing her underwear with bread on her mouth. It was like situation that given by a blessing from a god of manga, and she was a hope of amateur wrestling world and her nickname was "Danger Tsubomi".