Nakachi was born in Chiba Prefecture on December 16, 1980. She played for Nippon TV Beleza from 1997 to 2010. She was selected Best Young Player award in 1997 season. She played 187 matches in Nadeshiko League and she was selected Best Eleven 4 times (2000, 2001, 2003 and 2006). The club won Nadeshiko League championship 8 times.