Black Jack OVA
The Owl of San Merida
S1 E5:
A young English man named Leslie has constant nightmares that an unknown woman gets killed. Furthermore, he suffers from her hallucination all the time he is awake. Black Jack, who comes across him, can hardly believe his eyes when he sees the hidden truth of Leslie's body. Leslie has undergone an almost artistic operation, which even Black Jack is impressed by. Then, Black Jack finds out that Leslie's nightmare and hallucination have a lot to do with the operation.