not exactly katsura's finest moment :| I just have an unhealthy attachment to it because it was my first manga ever, but: * the plot jumps around a bit, feels like it has two distinct endings. I can't decide if the story too short or too long * art quality is uneven (but some of the most beautiful halftones ever) * my favorite character (Karin Aoi <3) was criminally underused and the fandom barely acknowledges her (except the pervert who made this series of page cut-outs >:3 whom I am grateful to nonetheless!)
I say read and find out by yourself. You can find the (I believe) whole thing on 4chan rapidshares: http://rs.4chan.org/
No, it's nauseatingly (literally) awful. If you really want to torment yourself with Katsuraisms (which is not a bad idea in general), get a good manga of his, like I"s. You'll understand why I said "torment" when you read it.