The Happiness Of The Old Miss Saint summary:

“Huh? You’re already 27 years old”.The Saint Marialite’s engagement with the crown prince was called off because of her age! Due to various circumstances, the level-headed Marialite acknowledges this and returns to her hometown. However, she encounters a child raised in secret…? What's more, after growing up in a short amount of time, he falls for Marialite, and wants to take her back to his own country!A romantic fantasy story about a level-headed saint who gets dumped for being in her late twenties and ends up living with the demon prince instead!The adored fantasy's long awaited serialization!---**Adapted From:**(https://www.crossinfworld.com/The-Saints-Belated-Happiness-Newly-Single-Now-Living-with-the-Demon-Prince.html)**Promotional Video:**(https://youtu.be/qjDjuDng6j8?si=onbw8A62tvnJ6Bb-)