Zetsubou no Hantou: 100-nin no Brief Otoko to Hitori no Kaizou Gal
絶望の犯島―100人のブリーフ男と1人の改造ギャル―
MANGAfinished2013
Synopsis
The story starts off on a deserted island with a woman shouting "I ain't a chick!" while being chased by 100 male perverts in underwear! Then it cuts back several hours earlier and we get to see how 'she' got into this situation. (Source:MU)