Reading manga with zero nice characters in it is interesting every once in a while. Everyone with a spoken line here is just some kind of bitch or bastard.
Don't tell me she's falling in love with him? I'm surprised there was nothing backfiring on her this time. I guess trying to actually be nice and getting exhausted after is the backfire here. She wanted to mess with him by being different from his bitchy late wife, but it didn't work.