Kanmuri-san no Tokei Koubou - Vol. 3 Ch. 13 - I run the shop...

[MangaDex]

 

[KingTaTo]

ty mr

 

[notekatha]

Not gonna lie, the twin tails really don't suit her- They do really make her look like a child

 

[iknowwhatyouare]

@notekatha I kinda like it, quite cute but it does make her look a little silly yeah.

 

[Kaarme]

So, that's the neighbour's husband. Based on this chapter, I can imagine it's a couple with high compatibility.