I Will Change The Genre

I reincarnated into my favorite genre for novels.
I became the villainous aunt who mistreats the young protagonist. I felt sorry for my nephew who would grow up as the protagonist in a revengeful plot, so I’ll try my best to take care of my nephew until his uncle shows up and takes him as per the original plot.
But then…
“Oh, mom!”
I’ve become his mother all of a sudden?
“I don’t know your circumstances, but how could I bear to separate a mother from her son? Lady, come with us to Vintervald.”
Hey, Kim Luka! How are you going to fix this misunderstanding? (Synopsis : Gourmet Scans)