Aliasing seekingthedarkside → crys
Link to alias

Reason:

Same artist, just an alt account. Connection between accounts is openly acknowledged by the artist

EDIT: The tag alias seekingthedarkside -> crys (forum #261601) has been approved by @Rainbow_Dash.

seekingthedarkside tag -> seekingthedarkside FA. Reason: The only image this tag was ever used on, post #1483826, has this FA post as its source.
seekingthedarkside FA -> taillone FA -> various crys accounts. Reason: seekingthedarkside and tailone both have links in their FA profiles to the next account in the chain.

The tag alias seekingthedarkside -> crys (forum #261601) has been approved by @Rainbow_Dash.