Released after the announcement of her pregnancy and marriage to SAM of the group, TRF, it debuted at #1 on December 8, 1997.
It was her last original single before taking a year leave in 1998.
The single was certified double platinum by the RIAJ for 800,000 copies shipped to stores.
[1] "Dreaming I was Dreaming" was used in a television campaign commercial for Ginza Jewelry Maker Estate Twin Jewelry.
Oricon Sales Chart (Japan) Oricon Sales Chart (Japan)