create alias saodake -> shimizu_pem
By looking through Shimizu Pem's recent art batch pixiv #69546538, I've recognized some posts that are the same as some of the ones that are already uploaded (and all bad id'ed) from another artist named Saodake. Looking at the similar art style (and reading the commentary from pixiv #69546538), it seems to highly suggest that the two artists are the same person who reuploaded his/her artwork from their old deleted account to their new one.
EDIT: The tag alias saodake -> shimizu_pem (forum #148568) has been approved by @Hillside_Moose.
Updated by a moderator