The official hashtag used by the studio or Twitter account for the anime, or the mangaka or publisher of the manga. This includes the # sign.

Multiple tags can be included by having a space between each tag, and the link on the entry page will include all hashtags separated by an ‘OR’ gate.

Example: '#三ツ星カラーズ #カラーズ' will direct the user to '#三ツ星カラーズ OR #カラーズ'