Stream anime episodes online for free, Watch Black Lagoon Episode 20 English version online and free episodes. Anime Episode guide, Chapter Black Lagoon Episode 20 English dubbed The Succession Due to the brutality of Balalaika’s attacks on the Kosa Council, Bando organizes another meeting with her, but learns that she will execute her plans as she sees fit. After the meeting, Rock is beaten by Chaka, a brazen Washimine Group member, and Revy promises to kill him. After asking Benny to send Revy her signature pistols, Rock meets Yukio again. The two discuss one’s ability to choose their path in life, and Yukio quotes Jean-Paul Sartre. When she leaves, she tells Rock her surname is Washimine, and Rock realizes that she is part of the Washimine Group.