Shikisaki Shimai wa Abakaretai - Vol. 3 Ch. 23 - Beach House

[MangaDex]

 

[VF89]

I'm sorry, "do" what?

 

[Outflanks10]

My only guess is that she is trying to either go behind the sisters backs or trying to call out the MC in some way.
As she seems the most perceptive of the 3

Thanks for the translation Inked Scans

 

[Kushikime]

Thanks for the chapter.

 

[Darkbright91]

I need an adult

 

[Jadeite_McSwag]

Genius career detective figures out that their behavior was unusual for siblings

 

[Lord_Kuat]

So maybe whoever woos the boy gets some kind of inheritance? Maybe the girl in last place tried to off him as he was causing friction in their family, and as she was clearly losing she decided to remove him from their life? Many possibilities.