Black Lagoon: Roberta's Blood Trail

In the criminal haven of Roanapur, the infamous maid Roberta returns, fueled by vengeance after the murder of her benefactor. Her bloody trail of retribution quickly escalates into a city-wide conflict, drawing in the Lagoon Company and other powerful factions. Alongside Roberta are her young charge, Garcia, and her fellow maid, Fabiola, who are caught in the crossfire. As the body count rises, the fragile peace of Roanapur is shattered, and the island becomes a battleground for various groups, including those from overseas, all vying for control and survival. The OVA series explores themes of loyalty, revenge, and the brutal realities of a world where violence is the only language.