Takekaze Akira is a former professional sumo wrestler from Akita Prefecture, Japan. A former amateur sumo champion, he turned professional in 2002, reaching the top makuuchi division the following year. He was a runner-up in one tournament, earned two special prizes for Fighting Spirit, and one gold star for defeating a yokozuna. Takekaze is in first place for the slowest promotion from makuuchi debut to the third highest sekiwake rank in history. Aged 35 years and two months, he is in first place for the eldest to make his sekiwake debut post World War II. He was a member of Oguruma stable. He retired in January 2019 to become an elder of the Japan Sumo Association under the name Oshiogawa-oyakata.

Chuo University , commonly referred to as Chuo (中央) or Chu-Dai (中大), is a private research university in Hachioji, Tokyo, Japan. Founded in 1885 as Igirisu Hōritsu Gakkō, Chuo is one of the oldest and most prestigious institutions in the country. The university operates four campuses in Tokyo: the largest in Hachiōji, one in Bunkyō, and two others in Shinjuku. Chuo is organized into six faculties, ten graduate schools, and nine research institutes. There are also four affiliated high schools and two affiliated junior high schools.