- "I'm the one who loves sumo the most, and i'm the one who trains the most."
—Tennōji Shidō in The High School Yokozuna.
Tennōji Shidō is a third year student at Tottori Hakurou High School, as well as the captain of its sumo club. He has won the title of High School Yokozuna in individual bouts during his first and second years. He is also the winner of the All-Japan Championship during his second and third years.
He is a very easy going guy outside the ring as his sister his is manager he has deep respect for sumo wrestling and his team, he is a strong leader and his ability is unknown as of now. He does not have a current or former wrestler in his family, so he only depends on hard work and sheer passion.He has a perfect temperement of a yokozuna - humble and easy going, but has a demon-like competitive streak.
He also respects and sympathizes with Ushio greatly, because he revealed on episode 15 that his family is small in stature, but he was blessed to had had a major growth spurt.
In his high school sumo time, he was a strong fighter being All-Japan championship champion winning for two years. He is very strong with his size, getting the same fighters from Ushio and Kuze that are national treasures like him.He possesses a frightening combat presence that to his opponents and that he is not even to be emerged in the dark.
Even against weaker opponents, he has a powerful road-grading push to force opponents out of the ring.
- Tennōji Shidō vs Jinou
- His epithet, Doujikiri Yasutsuna, comes from one of the Tenka-Goken (天下五剣, Five Swords under Heaven), classified as one of the National Treasures of Japan.
- He ranked 4th in the popularity poll.
- Even though he claims that his only interest is sumo, he also likes Googling his own name, ball sports and horror movies.