L to R (Western Style). The mysterious Builders have brought humanity to the edge of extinction; can they be reasoned with, or must they be destroyed? Aki Shiraishi is a high school student working in the astronomy club and one of the few witnesses to an amazing event—someone is building a tower on the planet Mercury. Soon, the Builders have constructed a ring around the sun, threatening the ecology of Earth with an immense shadow. Aki is inspired to pursue a career in science, and the truth. She must determine the purpose of the ring and the plans of its creators, as the survival of both species—humanity and the alien Builders—hangs in the balance.

Yukari Morita is a high school girl on a quest to find her missing father. While searching for him in the Solomon Islands, she receives the offer of a lifetime—she'll get the help she needs to find her father, and all she need do in return is become the world's youngest, lightest astronaut. Yukari and her half sister Matsuri, also petite, are the perfect crew for the Solomon Space Association's launches, or will be once they complete their rigorous and sometimes dangerous training. Rated: None