BUR #2508 has been approved by @evazion.
mass update kal'tsit -> kal'tsit_(arknights)
Reason: In order to differentiate the character from kal'tsit_(pixiv_fantasia).
Related thread: topic #16717
EDIT: The bulk update request #2508 (forum #165490) has been approved by @evazion.
Updated by DanbooruBot