Watashi wa Gotsugou Shugi na Kaiketsu Tantou no Oujo de Aru

Maki Tazawa, a BL novel enthusiast in her past life, now finds herself in the world of her favorite book as princess Octavia. She is delighted to be close to her favorite couple—her brother, Crown Prince Sirius, and his lover Lord Sil. However, the need for a royal heir creates a problem, as the two men cannot produce one. To resolve the succession issue, Octavia is expected to enter a political marriage and provide a child for the throne. Refusing to accept this unjust arrangement, she is determined to find her own path to true love, just as her favorite couple did.