Kaguya Nikki: Girl Meets Boy From Akitsushima

A prince from another world x a spirited girl. A school romantic comedy that transcends time and space! Kaguya Kawahara, a second-year high school student, is competitive, shy, and impulsive, often acting before thinking. However, she catches the eye of a refreshing transfer student, Ichiro Otori, who inexplicably takes a liking to her, and her daily life is suddenly transformed into a romantic comedy! Furthermore, it's revealed that Otori is a prince from another world, and a tumultuous love story and school life begin!

Source: Dengeki Bunko, translated