Black Lagoon Omake episodes

The characters of Black Lagoon become high school students.

Revy becomes a magical girl, and helps Rock against a gang of "Russian highschool delinquents" led by Balalaika.

Balalaika has trouble dealing with her two children, Hansel and Gretel, who frequently cause trouble at school, such as making pipe bombs and "playing doctor" with their classmate Garcia which traumatizes him. Her husband, Mr. Chang, is reluctant to do anything.

The characters of Black Lagoon switch gender roles.

The characters of Black Lagoon share horror stories.

The characters of Black Lagoon become middle school students.

Yukio announces that she wishes to perform Manzai (Japanese stand-up comedy) during the school cultural festival with Maki. While rehearsing, Yukio's Yakuza subordinates demonstrate a Manzai act, which ends in a bloodfest.