Dokushin Kizoku wa Isekai wo Ouka Suru ~Kekkon Shinai Otoko no Yuuga na Ohitori-sama Life~ - Vol. 5 Ch. 25 - The Single Aristocrat Finds a Cursed Art…

[MangaDex]

 

[Kanie15]

What a good find for him
That crazy price though
also Skull guard's enthusiasm so cute af

 

[minsam]

art is unsatisfactory

 

[EirikrInnMyrkr]

I've forgotten whether he's ran into other objects that look like they're ripped straight from our world or not. Most of thr things that look familiar, like coffee grinders and washing machines, were developed by him using his own memories. This item, though, was unearthed after who knows how long and looks exactly like an item developed within our lifetime. I don't know if this is going to be explained or not.