He Doesn't Know He's a Stand-In Too

The Heroine Gets Pregnant in College, and the Hero Is a CEO

Short, Heartbreaking, Niche Stories, 10–20 Chapters, Completed

The Woman Treats the Man as a Substitute, Then Gets Together with Her True Beloved

The female lead treats the male lead, who later becomes the second male lead, as a substitute. She has a super-sweet romance with the real male lead, while the fake male lead suffers.

I'm Out of Books to Read 😭 Recommend Stories with Two Substitutes!

The male lead thinks he has the female lead wrapped around his finger, but he turns out to be a stand-in for her first love!

The Male Lead Treats the Female Lead as a Substitute, Never Expecting That She Also Treats Him as a Substitute

The male lead doesn't love the female lead and treats her as a stand-in for his white moonlight. In the end, he discovers that she's always loved someone else, and that he's been a stand-in for that person all along.

The Hero and Heroine Are Each Other's Substitutes, but She Doesn't Love Him