Sunabe began his professional MMA career in 2001 in his native Japan.

[4] In December 2017, Sunabe participated in a Flyweight Kickboxing Tournament held by Rizin Fighting Federation.

He faced Yamato Fujita in the semi-finals and lost via knockout in the first round.

Sunabe is also an occasional professional wrestler, often appearing for joshi promotion Oz Academy in intergender and tag matches.

He debuted in professional wrestling in 2007 to a losing effort to Daisuke Sekimoto.