Alias for riki_unc's cow girl OC

BUR #41218 has been approved by @nonamethanks.

create alias cow_girl_(riki_unc) -> futao_miruku_(riki)

Just realized her actual name was given here post #8638221

idk if being more specific is good or bad tbh

If an original character has a name, it should be used.

The bulk update request #41218 (forum #356094) has been approved by @nonamethanks.