Conversation so far:
What was Jin Akanishi's first band?
After he was made a Johnny's Jr.
member in 2000.
Any notable songs with them?
CANNOTANSWER.
What happened next with Johnny's Jr?
CANNOTANSWER.

Question: Was he with another band?
Self-contained rewrite: Other than Johnny's Jr., was Jin Akanishi with any other bands?