Michiko and Hatchin (ミチコとハッチン)

The story takes place in a fictional country with cultural traces from South American countries, mostly from Brazil. The title's Michiko is a free-willed "sexy diva" who escapes from a supposedly inescapable prison fortress, while Hatchin is a girl fleeing her abusive foster family. The two join forces on an improbable escape to freedom.