The Cannon Fodder Who Transmigrated into a Book and Took the Immortal Venerable's Dao Companion

I transmigrated into a book, becoming a so-called "ge'er," and was engaged to the young sect master of an immortal sect. My father's maternal family looked down on me and, under threat, demanded that I bring their legitimate eldest son along as part of my dowry to the immortal sect. Looking at the eldest son's cool, handsome face, Su Linli, I suddenly understood The young sect master of the immortal sect was the protagonist gong, and Su Linli, the legitimate eldest son, was the protagonist shou. And I was the legendary wicked cannon fodder. Fine, fine, I'll stand aside. You two can be together forever. It's just that even I never expected that I would fall in love with Su Linli. Since I'm wicked, after all, I might as well claim him at our bond ceremony. - 1. Main character is the gong, both are virgins, 1v1. A short story. 2. The original story was written so long ago that I'm rewriting it as a short story. Theme: Always be independent and strong.