Ryōmaden is the 49th NHK Taiga drama. It was shown on NHK from January 3 to November 28, 2010 spanning 48 episodes. The story centers on the life of 19th-century Japanese historical figures Iwasaki Yatarō and Sakamoto Ryōma. It has been announced that the series will be aired in several other countries, for example Hong Kong, South Korea, Taiwan and Thailand.

Koizumi Risa an unusually tall high school girl, meets the "vertically challenged" young man Otani Atsushi. They find common ground in height anxieties and interests. Risa, a tall Japanese girl, gets rejected by a boy because she is taller than him. Otani, a short Japanese guy, gets rejected by a girl because he is shorter than her. Obviously these two would make the oddest of couples and would never be a good match for each other right?