Seisan Shoku o Kiwame Sugi Tara Densetsu no Buki ga Ore no Yome ni Narinashita - Vol. 1 Ch. 1

[Painasbread]

If only all debugging allowed you to isekai into a world with a cute waifu hugging you naked.

If only...

 

[Romisterie]

Him having Smith surname is not strange consider some surname are based on the profession of commoners when they are starting to adopt surnames. One reason why there are more Smith is because smiths require decades of work to be profescient therefore they can't afford to send them as cannon fodders.