Usui Sadamitsu

Usui Sadamitsu was a warrior of the mid-Heian period. His official name was Taira no Tadamichi. According to Otogizōshi stories compiled several centuries later, Sadamitsu was a retainer of the Japanese legendary hero Minamoto no Raikō. Sadamitsu is known as one of The Four Guardian Kings under Raikō.