Prince Taishi of Nakagawa

Prince Taishi of Nakagawa (王子大志), is the only child of the late Prince Nakagawa and Princess Nakagawa. He is the nephew of Prince Kazuhito which makes him a cousin of the current Prince of Teiko, Kiyoshi. Before 2006, he was the heir presumptive to the Throne of Teiko until the birth of Prince Kiyoshi. In 2017, after the death of Prince Kazuhito, he was once again heir presumptive and can only be displaced upon the birth of Kiyohi's son.

In the aftermath of the death of Prince Kazuhito, the Royal Household Agency endorse him as Prince Regent until Prince Kiyoshi reaches age of majority in 2026. However, the regency bill was defeated in the Teiko Royal Council in March 2017. In August 1, with the passage of the revised regency bill, he was appointed as Prince Regent by Prince Kiyoshi.

Currently, he is the head of the House of Nakagawa and the title Prince Nakagawa. He is also a close friend of Premier Seijuro Akashi who both shares similar hobbies in origami and tea ceremony. Prince Taishi completed his basic education at Ouran Academy, the most expensive and prestigious high school in the country. In 2015, Prince Taishi completed his commerce degree in the University of Kaijou.