Isekai no Binbou Nouka ni Tensei Shita Node, Renga wo Tsukutte Shiro wo Tateru Koto ni Shimashita - Vol. 4 Ch. 14.1

[MangaDex]

 

[zebeker]

They were acting like the naming ceremony was something only priests do just a few chapters ago and he acted like giving a surname was a workaround he came up with but now suddenly everything he did is just how things are done