Responses
According to the spoilers, there's no love rivals in this story. The only "mean girl" in the story I know about is the ML's aunt (and in her case, it's the entire family--with the exception of her daughter).
The woman at the end is either the aunt or the ML's ex, who was actually more of a business partner. (I can't gauge ages with this art style.) The ex is a good person, though.
Ty
O LOVE THIS SO MUCCH IDCCCC
ITS FUNNY AND CUTEE LIKE STOPP DONT PLAY WIT MEヾ(☆▽☆)
also who is that potential mean love rival at the end of the chapter?(⊙…⊙ )