Here's my latest piece of concept art for Bodacious Creed! Yes, that is the title of my thesis. If you missed the post about it, you can read it by clicking the link.
As for the concept image, see it here!
This is the external part of the unit that replaces the main character's heart. Although it goes in the thorax, it doesn't act as a heart, but rather a corpse reanimator.
As this is an early concept image, it's subject to change. But you get the basic idea!