Bijo wa Tensai ga Osuki

Rosemary encounters Willis, a former classmate, after thirteen years and is surprised by his transformation. In high school, she considered him a weak, studious outcast while she was admired and well-liked. Now, he is a respected professor returning to her village to study a passing comet. He will stay at her home during his visit. Rosemary notices changes in him beyond his academic success.