Japanese Symbol Tattoo Cake

Japanese Tattoo Cake
The customer ordered this cake for her boyfriend, who owns a tattoo shop. He was given a Japanese name by a Japanese tattoo master. A friend of theirs (also Japanese - but neither the customer or the boyfriend are) who works in the tattoo shop is staying with them, so she asked him to draw a design. He drew the outline and then she came round and, armed with my boys' colouring pencils, we decided on colours. I have to say that I haven't enjoyed doing a cake this much for a long, long time. I know it's simple (for those of you who aren't cake-makers, never confuse 'simple' with 'easy'!), but I LOVE how it's turned out.