Tochinowaka Michihiro (born Dae Won Lee on April 6, 1988) is a former sumo wrestler from Hyogo, Japan.

This had apparently been somewhat of a challenge for the yobidashi who are required to announce every wrestler's name in a drawn out singsong style of voice and very rarely, if ever, had to call out a ring name consisting of just one syllable.

His fortunes after his name change did not change right away, and after several tournaments alternating between winning and losing records, with an early withdrawal in the March 2009 tournament, he finally achieved two consecutive winning records in upper makushita to grant him promotion to sekitori level, the second highest jūryō division.

In his first tournament facing all the top ranked men he managed to defeat ōzeki Kisenosato on the opening day, but his only other win over a san'yaku wrestler was sekiwake Aminishiki, and he finished on 5–10.

Kasugano was surprised and talked with him for four hours in an effort to change his mind, but in the end submitted the official retirement papers to the Sumo Association on December 15, 2014.

Tochinowaka was born and raised in Japan, enabling Kasugano stable to accept him despite already having a foreigner, Georgian Tochinoshin.

Nearly half his career victories to date were achieved with just two kimarite or techniques, yori-kiri (force out) and oshi-dashi (push out), the two most common in sumo.

Sanshō key: F=Fighting spirit; O=Outstanding performance; T=Technique     Also shown: ★=Kinboshi; P=Playoff(s) Divisions: Makuuchi — Jūryō — Makushita — Sandanme — Jonidan — Jonokuchi