OVA & Golden Sky Stories Crossover

From the introduction:

Throughout Golden Sky Stories, the strength of connections between henge (and their many acquaintances) is made abundantly clear. Love, friendship, and other bonds serve as the very essence that powers their fantastic abilities — and even their capacity to take human form. Connections can be powerful in OVA, too, and what follows are some rules for incorporating them into your games. And the henge too, of course.