"kei the 450" is the package in which 450 sorts of ruled lines convenient for "kado the 108" were mentioned.
The data format is preparing the picture (.png) of the same resolution as "kado the 108" for 300 yen (including tax) with illustrator (.ai).
A sample picture is here. :http://www.facebook.com/media/set/?set=a.490094054384928.111525.148278955233108&type=1
It can purchase with a credit card in gumroad:
https://gumroad.com/l/HDXT
The data format is preparing the picture (.png) of the same resolution as "kado the 108" for 300 yen (including tax) with illustrator (.ai).
A sample picture is here. :http://www.facebook.com/media/set/?set=a.490094054384928.111525.148278955233108&type=1
It can purchase with a credit card in gumroad:
https://gumroad.com/l/HDXT