すき。だからすき [Suki. Dakara Suki] is a 3-book series with 3 primary works first released in 1999 with contributions by CLAMP.
1999 • 1 Reader • 180 pages • 3
1999 • 1 Reader • 184 pages • 2
2001 • 1 Reader • 180 pages • 3
2001 • 1 Reader • 136 pages
2001 • 1 Reader • 164 pages • 3
2001 • 1 Reader • 168 pages