This is a song from Cross Road commercial directed by Makoto Shinkai.
High school students Miho and Shouta are preparing for college entrance examinations. Miho comes from an island without even one cram school, while Shouta lives in Tokyo and works a part-time job. Both are striving to pass exams so they can enter college. The pair enroll in Z-Kai’s correspondence education courses, and their lives cross before they realize it.