It's usually the mangago bot who does it, you'd know because normally, the username of the uploader will be beside the chapter and when it's empty, it's their bot
I'm going to assume that the sister is clearly done with being a single mom (even though ML was there at home, it shows that he doesn't help or participate with anything related to their children), told ML and dipped the fuck out.
Finally found something that's shorter than me! Thanks author!
Hahahahaha