Y-yes!" The boy who had called himself Maio nodded vigourously. "The one perfected by Lord El-Melloi, Volumen Hydrargyrum! A beautiful display of Fluid Manipulation! To think I'd come across it here of all places! I'm sorry, but would you perhaps let me touch it?"
"...I don't mind, I guess..."
Immediately Maio began running a finger across the maid's body, gasping like a child dropped in front of an array of fascinating new toys.
"Amazing...rather than attempting to work within the declining Conceptual power of Homunculus Creation, you've combined Fluid Manipulation with Personality Endowment. It just happens to be taking the most appropriate shape. Having the contents held outside the container is a little paradoxical, but for magecraft it seems about right. It's even got a full-body circulation system set up to bring the maintenance costs down to the absolute limit. Is this your work?"
"...uhh, yes. I had some advice from my brother, though.
Case Files II, Chapter 2, Part 3