21 Seiki (Momoi Haruko) AVCA-26194 released 2007.03.28 1890 yen

This CD+DVD package contains solo single by Momoi Haruko (桃井はるこ) .

The CD tracks are as follows.

1. 21 Seiki (21 世紀)
2. Radio Days Radio Nights
3. 21 Seiki -karaoke-
4. Radio Days Radio Nights -karaoke-

Haruko wrote the lyrics and music for both songs.

The DVD contains a promo video for "21 Seiki". The video is in 4:3 format.