In 2061 CE, humanity's indiscriminate pollution of space has substantially hindered the development of space travel. In response, an international federation has designated the sun as a natural incinerator, federally establishing a treaty with the goal of first processing hazardous waste on Jupiter and forming the space environment defense force Cosmo Ecology. However, polluters evading surveillance networks continue to illegally dispose of radioactive waste directly into the sun. As a result, increased solar flare activity is on the verge of turning the Earth into a desert.

Azusa Kawahara is the soccer team manager who is going out with Ikumi, one of the team members. Lately Ikumi has been busy after school and this is making Azusa uncomfortable.