Board Thread:News and Announcements/@comment-33628324-20181124093029/@comment-24503208-20181127004312

https://fategrandorder.fandom.com/wiki/Craft_Essence_EXP_Card:_Kuji_Kanesada#comm-340348

It seems the translation for the Kuji Kanesada CE came from official translation in The Garden of Sinners Collaboration Event (US)

https://www.instagram.com/p/Be-VxviBVkl/

Here is the intragram that post the lore of this CE in particular.