USEFUL DAYS (ユースフルデイズ) is formed.
V. Taku Inoue (井上拓) / G. Yasuhide Ohara (小原康秀) / B. Isamu Maruko (丸古勇) / D. Masashi Komatsu (小松正嗣)
USEFUL DAYS (ユースフルデイズ) disbands
USEFUL DAYS (ユースフルデイズ) was a non-vkei band. They were active from 2001 to 2004 and are now disbanded.