Talk:Megumin/Relationships/@comment-28715560-20190606181447/@comment-188.83.92.143-20200409164500

All Crimson Demons are born with barcode tattoos in a random part of their body. It is explained in the movie. (btw, watch it if you haven't, it is basically a direct sequel to S2)

https://konosuba.fandom.com/wiki/Crimson_Demon_Clan#Trivia