O~i! Ryoma

This series is a comical and serious account mixing history and fiction of the life of the Bakumatsu period leader Sakamoto Ryōma.
It is November 15, 1835 near Kōchi Castle. The youngest daughter of the Sakamoto family, Otome Sakamoto is stargazing and sees a comet. That day her mother, Sachi Sakamoto, is about to give birth. The comet appears as a dragon and a horse, and Otome shouts to it "Make the child born tonight a boy! I promise I'll make him a strong samurai!" after which the comet changes to a soft glow. Soon the first cry of the baby is heard – a strong baby boy. However, the newborn boy has long hair on his back which is seen as strange. At this the father, Yahei, is dumbfounded but Otome names the boy ...