"Since that day i unconsciously started paying more attention to her"
I don't know You Yu, that kinda looks the same huge amount of clinginess from before.
That confession in the test papers was too powerfull thoug!
I know in an early chapter it kinda showed they live together but finally these girlie's can be happy. And I thought it was a bit too much that teacher let You Yu grade even her classmate's papers but it gave her a way to confess cutely