Ōtomo clan
He was named rôjû (meaning, karô) in 1576, and following the 1579 conquest of Hyûga province by the Shimazu, was given Miyazaki castle. Uwai was active in campaigns in Higo province and against the Ōtomo clan. He was also active in appreciation of waka poetry and tea ceremony, and is known to have been a highly educated and cultured individual.