Original: Dirty Pair OVA

Prison Uprising. We Hate People With Grudges! (1x1)

Air date: Dec 21, 1987

The Lovely Angels are on their way to Karosu Prison, a heavily-armed fortress where the prisoners have started to riot. Someone needs to rescue the warden before he gets killed in the crossfire, and Kei and Yuri are just the ladies for the job!