which CLAMP work should i read first in YOUR opinion

A community page for fans of CLAMP's work, discussion, art, anything CLAMP related welcome.

where is this image from?

A subreddit dedicated to the Toilet-bound Hanako-kun (Jibaku Shounen Hanako-kun, 地縛少年花子くん). The manga is created by Aidairo (あいだいろ) and published in Square Enix's GFantasy monthly magazine. The anime is produced by studio Lerche.