By 1997 (their 10th anniversary) Sasaji withdrew as their producer and all the members were in their thirties. Since they felt they couldn't depend on keeping their producers forever, they determined to stand on their own feet. They began to wonder if they should change the band's course. The band disliked the fact that they had taken on a conventional, orthodox image. So, they held in Osaka, which became an annual event. They performed a secret live concert at Shinjuku Loft where they mainly played their amateur days’ songs. In March 1998, joined them as a co-arranger, and they released their self-produced 8th album . In May 1998, , the keyboardist, joined the all-over-Japan concert tours, and came to be an essential supporting member of their tours since then. During the tour, in August, they recorded , and with Kuji, which were collected in the album "99ep".