Not sure whether to actually tag as Midorikawa_Ruriko. The name in the commentary is very close, yes, but I'm not sure whether it's just "inspired by" rather than being the actual character.
Wait. A Christian lesbian wedding? Gensokyo is progressive.
*A Christian lesbian wedding of a shinto shrine maiden and a witch, with a pagan fairy as the bible bearer, pagan goddess as bestwoman/man/bridesmaid and literal daemons as godfathers/mothers