Kohibari (小雲雀) is the third available steed in the Average type category for horses. It was an excellent bay colored mount presented to Nobunaga. It is said that it was eventually given to Ujisato Gamō.
Samurai Warriors 2: Empires: Agree to purchase documents from a Dutch trader for 1000 gold. You will also receive Kohibari. Aki fief (with its port) is needed to trigger the random trader event. Make sure you have an open slot for the horse.
Kessen III: Purchase at the shop for 6,800 gold in chapters 2, 6, 9 and 12. It can also be found as a treasure during the Battle of Anegawa in chapter 5. This horse will prevent the rider from being stunned during Rampages.