Taijo is one of the supporting characters of the Shōnen Onmyōji. He is one of the Twelve Shinshou who wields the power of the earth. He is rarely seen and dwells in the spiritual world. He previously used to remain at Narichika's side and had taught archery to Masachika (Masahiro's second elder brother) as well.
He has a calm and respectful personality.