Bat x Dragon

The time is Sengoku in feudal Japan, in the land of Tosa. The Chousokabe family lives in Castle Okou with Kunichika as the head of the clan. He plans on invading neighboring states to control more land and bring prosperity to the people. However, the son, Motochika, disagrees with his father's course of action and refuses to take part in the warfare. The angered Kunichika throws his son into a river and disowns him. Motochika struggles to stay afloat and eventually loses consciousness but washes...