- "Heh. Leave it to the mad artist L, right? Your design WAS delightfully mad, though. Very very exciting work. I haven't had this much fun twiddling cogs since I was a kid, maybe?"
- – Giogion
In Booming Business, Giogion and L are shown to be collaborating on a mystery device for L's shop. In order to make the device a reality, Giogion requests Cross to collect several key items. Once gathered, Giogion assembles the device and returns to the shop for the grand opening. Giogion offers to help L with the business by maintaining the device.