Itsuwari no Akujo desuga Suenagaku Shiawase ni Narimashou - Vol. 3 Ch. 12

[MangaDex]

 

[Kaarme]

Nah, that marquis is apparently a man who likes smirking and laughing alone while going over his plans. That alone reveals he's not a man of large calibre.

 

[Dethaw]

Not even a hint of villainess this series is so cooked

 

[Psychronia]

Lynette's charm is too powerful.

And she can offensively infodump her interests too.