Busty…Busty…¬â√µ¬ä’¬ê√≠¬ém¬Éo¬ÉX¬Ée¬ÉB¬Å[…
as for Caliz, as of December when I last visited Japan, they still have Caliz+telecard for sale in akihabara
However, I bought a used copy myself.
You may want to hop into the IRC channel as there is someone who may be able to help you find used games in Japan.
…But to be honest I want Leaf’s next game more "V¬ég¬Ç√å¬Ç¬¢¬Ç√à¬Ç¬¢¬ÇP¬ÇQ¬å¬é