After a two-year break, he joined Shusei Tsukamoto in forming the progressive/hard rock band Vienna, performing guitar and vocal duties.

From 1994 to 1995 he joined Toshi of X Japan on his second studio album Grace and on tour as a guitarist and backing vocalist.

In the next year, he adopted his stage name "Chachamaru" and joined the sessions of the hard rock band Girl U Need's self-titled album.

Since the year 2000, Chachamaru has worked with the solo artist Gackt, serving as an associate producer and the lead guitarist for his live band, as well as backing vocalist.

[citation needed] His musical style varies from progressive rock, metal, soul and blues and features some more experimental playing.