Asahi played as a center for the Japan men's national volleyball team in the 1990s.

He ended up in sixteenth place at the 1998 World Championship, and later on started a career in beach volleyball.

Asahi and teammate Katsuhiro Shiratori represented Japan in beach volleyball at the 2008 and 2012 Summer Olympics.

[1] Asahi began to work for the IT company Forval Corporation in 2011 through a Japanese Olympic Committee athlete hiring program.

[2] In July 2016, Asahi was elected as a member of the House of Councillors representing the Tokyo at-large district for the Liberal Democratic Party.