The tag implication #52017 isonade -> japanese_mythology has been approved.
Reason: From the wiki page for isonade:
An Isonade is a shark demon from Japanese mythology. It is said to be a gigantic creature residing off the coasts of western Japan, with a large tail fin with barbs.
https://en.wikipedia.org/wiki/Isonade
EDIT: The tag implication isonade -> japanese_mythology (forum #378869) has been approved by @Rainbow_Dash.
Updated by auto moderator