The Princess of Convenient Plot Devices, Vol. 1 (manga)

Stepping into the world of your favorite book might sound like a dream come true, but for Maki Tazawa, this very opportunity presents a unique challenge. A passionate lover of BL novels in her previous life, Maki now gets to spend her days as princess Octavia, and enjoy the company of her favorite fictional couple—her brother, the crown prince Sirius, and his lover Lord Sil. But two men can’t produce an heir! As the story goes, in order to solve the problem of succession, princess Octavia agrees to a political marriage and offers up her own child to the throne. But this Octavia can’t accept such an unfair fate! So what if she lives in a BL novel? Her OTP achieved true love and she’s determined to do the same!