Mikako Nagamine

Driven by her deep affection for Terao Noboru, this junior high school student finds herself unexpectedly selected for a long-distance space mission. Despite the immense physical distance growing between her and her crush, she maintains a constant connection through text messages, even amidst cosmic perils. However, the vastness of space creates a heartbreaking delay, leaving Noboru to receive her updates nearly a decade late as she struggles with intense homesickness and longing for Earth.