JUNJO ROMANTICA Volume 1: (Yaoi) (v. 1)
I have watched the 2 seasons in anime as well and loved it. I noticed that in the books you get a better idea of how the relationships develops over the year. The anime shows Misaki's and Usami-sans' antics much better. It almost develops into comedy at times. But it does lack the explicit scene's and for me it are those that show me how the relation develops. My Japanese is progressing very nicely as well, as the anime is in Japanese with subtitles *g*