After graduating from high school, he joined Sumitomo Metal (later Kashima Antlers) in 1987.
He gradually got an opportunity to play in the match as left side back.
In 1994, newcomer Naoki Soma became a regular player as left side back and Gaya was converted to right side back.
However he could hardly play in the match and he moved to J2 League club Vegalta Sendai in 2000.
This biographical article related to a Japanese association football defender born in the 1960s is a stub.