I'm a candidate for the Grandpower, but I'm going to go solid (1-6)

Publisher: KADOKAWA/Enterbrain
Author: Matakana, Yuri Seo, Okaya
Size: 128mm x 182mm
Number of books: 6
Language: Japanese
Category: Female manga, manga
The latest release date: 2024-02-01

Synopsis:
The Saving Marquis, Terese, who saves money, is called to the Princess of the Grand Duke. However, the poor aristocratic Telese may be able to become a "admired woman"! He headed to the castle, but what he was waiting for was a struggle with the selfish daughter!?