Tsubasa/Hajime no Ippo commemoration illustration

In commemoration of the 50th anniversary of Shonen Magazine, in this week’s issue the mangakas that are currently being serialized in the magazine drew a collaboration illustration featuring their characters dressed as the manga Hajime no Ippo, currently the longest running series of the magazine. CLAMP, of course, joined the special treat drawing Sakura as ring girl:

Click to enlarge it.
The full illustration can be seen here and here thanks to Ritual Scan Forge.