Azusa Nakao

A Japanese boy named Shu tries to save a strange girl, Lala Ru, from kidnappers and is transported to an alternate Earth on the brink of being swallowed by the sun. There he meets an American girl from his time, Sara, who was mistakenly captured because of her resemblance to Lala Ru. Shu becomes and unwilling member of the crazy and cowardly King Hamdo's army (...) (imdb)

In 2061 CE, humanity's indiscriminate pollution of space 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.