Akinai Yu (Ito Momoka) wants to restore her memory as a cosmonaut, and the three of them, Kono Hoshi Kaiguo (Sato Keixei), Takaragi Haruno (Omori Shinpo) and Kaminari Shun (Yamazaki Sora), are constantly helping her find it.clue.
Using the ore radio they found at the lighthouse, they successfully contacted an unidentified alien from space, but failed to obtain information about Ming Neyou's memory, and the contact was interrupted.
Feeling anxious, Ming Neiyou wanted to jump into the sea, but was rescued by Hai Guo in time, and received the ore used to contact the people of the universe again.What will happen to them after they get their last hope?