あつもりくんのお嫁さん（←未定）

Nishiki, a studious middle school girl from a small rural town, dreams of escaping her stifling life and the fiancé her parents have chosen for her. When she meets Atsumori, a confident and unconventional high school boy from Tokyo visiting her grandfather, he opens her eyes to new possibilities—including a daring suggestion to marry him instead. Captivated by Atsumori's unique perspective, Nishiki studies tirelessly to follow him to Tokyo, enrolling in his high school. But reconnecting with him isn't as simple as she hoped, and navigating city life brings its own challenges. (Unreviewed summary by Grok 2)