PET SHOP BOYS
I absolutely love how twisted this is! Every story has its own unpredictable twist and I am always left wanting for more!!
*Spoilers*
And I have also just realised that during the snake arc with Kuranosuke and Tetsuo, Kuranosuke's left side has more scars than his right side. They mentioned that blood on the left side kills people while blood on the right side brings them back from the dead, and only the master knows the secret of his blood. He might have been using this to revive himself since he doesn't seem scared even when he was faced with danger! But the fact that Kuranosuke had more scars on the left side rather than the right is just depressing since he was used more to kill people rather than reviving them.
Dear Sister, I've Become a Blessed Maiden