Conversation so far:
What happened regarding Mr. Children in 1998?
On February 11, 1998, Mr. Children released their 14th single Nishi e Higashi e (ニシエヒガシエ), theme song to the Japanese drama Kira kira Hikaru (きらきらひかる).
Who are the band members of Mr. Children ?
The band Mr. Children consists of Kazutoshi Sakurai, Kenichi Tahara, Keisuke Nakagawa, and Hideya Suzuki.

Question: Where did Mr. Children originated from?
Self-contained rewrite: Where did Mr. Children originated from?