“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. 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! 「は？お前はもう二十七歳じゃないか」聖女であるマリアライトは年齢を理由に婚約者であった王太子から婚約破棄をつきつけられる！ 様々なことがあり過ぎてメンタルが強固になったマリアライトはそれを了承し生家に戻るが、そこには角が生えた子供が隠れていて…？ さらに、凄まじいスピードで成長した彼はマリアライトにベタ惚れで、自分の国に連れ帰る気満々!!