Kanmuri-san no Tokei Koubou - Vol. 3 Ch. 16 - Huhh, no way...

[MangaDex]

 

[Cubicle255]

His customers got good taste

 

[77BLc9JwJGpLVARkamJx]

Digital watch present? Big digits should be easier to see.

 

[Kaarme]

I wonder if thorium is toriumi in Japanese, transliterated.