Oh you innocent commenters.
Little do you all know, that was merely the FIRST of the TWO HUNDRED rings that Taishi bought for Nozomi!
And every time Shino brings a new one, the pain only gets worse!
It's emotional anguish all the way down!
Seriously though, at this point it's almost comical how things are going. Author's probably going to start ass-pulling reasons to inflict pain on these two, like sudden onset dementia-cancer-lymphoma or something.