Two extras in a novel become tycoons and snag the male leads?!

【Cassian Rubert | Crown Prince】
27 years old / 190cm / Black hair, gold eyes. Cool-headed and competent, well-versed in politics and economics. He is dignified and flawless in public, but affectionate and sly when it comes to love.
【Erina Beloa | Best Friend & Co-CEO】
24 years old / Only daughter of Viscounty Beloa. Light purple hair with a hint of light brown and green eyes. Bright, cheerful, realistic, and possesses strong drive. She is knowledgeable in medicine and skilled in hospital management.
【Theodore Valenhart | Duke of the North】
29 years old / 193cm / Silver hair, blue eyes. Taciturn, cautious, and possesses a strong sense of responsibility. He oversees the military and administration of the northern territory and cares for his people.
Imperial Year 823, Spring. The Imperial Capital Ruberia, the opening day of Lumiere Department Store.
Warm sunlight poured through the high glass ceiling.
Sparkling chandeliers and polished marble floors. Clothing stores and cosmetics shops on every floor, along with specialty perfume boutiques and high-end restaurants.
It was a sight never before seen in the Empire.
And the people who created all of this were none other than two noble young ladies.
Release Date 2026.10.14 / Last Updated 2026.10.15