[2] Because of his athletic feats in high school, he entered Kobe Gakuin exempt from the admission fee and was awarded a scholarship.

From January to February 2001, he was the winter special athletics coach for the Chinatrust Whales at the Chinese Professional Baseball League.

Although he made multiple appearances in games, he left the team in October of the same year stating he was "too old at the age of 32" to flourish in the league.

He stayed mainly in hotels, his friend's homes and his parents’ house as he had to travel often in showbusiness and as a personal trainer.

In 2012, Takei found major success in his career in entertainment, rising to popularity with his persona as the King of Beasts.

[9] In 2015, Takei was the anchor and representative for the Japanese national team for the M40 class 4 x 100 metres relay at the 21st World Masters Athletics Championships held in Lyon, France.

[10] In 2018, Takei entered the 23rd World Masters Athletics Championships held in Málaga, Spain, for the M45 class 4 × 100 metres relay and won gold medal with a record of 43.77 seconds.