Japan invites Hungary to one of the huge doujinshi conventions in his country, but she asks to be one of the people selling doujins there. This leads to them forming the ultimate team up and going out, picking nations, and drawing them doing things there ancient mamas and papas never taught them!

Bonus: Their works are big hits at the con
Bonus: ALL YAOI AND YURI, NO HET (all characters are their original genders)
Bonus: CRACK PAIRINGS AND NORMAL PAIRINGS (just no PruCan and RoChu)