CLAMP?! Breast's?!? Nipples!?
Does not compute.

I wonder, why there is absolutely no porn of this series.
Went through every possible tag on pixiv, nothing.
Went to Danbooru and Gelbooru, nothing.
Went to paheal, nothing.
E-hentai or ex-panda, nothing.
It's just odd, even way more obscure or unpopular series usually have at least one or two pics of 34.

He, if I didn't know that this is Satsuki from X/1999, I would've thought that it was some Blame! fanart.

Gotta love dem grimdark shojo mangas. :D