Koisuru Asteroid is a heartwarming anime series that follows the story of Mira Konohata, a high school girl with a passion for astronomy. She rekindles her childhood dream of discovering asteroids when she joins her school's Earth Sciences Club, which merges with the Geology Club. Together with her friends, Mira embarks on a journey of friendship, discovery, and personal growth, exploring both the stars and the bonds that connect them.