The story begins in 2046, in order to hunt down the alien Dorumis who invaded Mars, the space exploration ship Lysithea selected pioneers everywhere, and junior high school student Meiko Muto also became an astronaut. Began to travel around Mars, space bases, Jupiter, Pluto and other exercises. After Meijiazi left Earth, her classmate Komo (thousand fathom Suzuki) can still receive greetings from Yuzhou-Meijiazi often sends text messages to tell them what's going on, but as the distance increases, text messages will take longer and longer to reach the earth. "I'm sure we'll see each other again one day!" That's what the other side thinks. However, there was no news of the United States and Canada at last. Eight years later, Xiao read in the newspaper that there was a fierce battle between the Space Army and the Doromis eight years ago, and almost no one survived. At this time, the mobile phone suddenly rang: "Hello, 24-year-old Xiao Ying, I am 15-year-old Meijiazi!"... " These words are reflected on the mobile phone screen.
7.3
