Satomi and Yasunori were driving their newborn, Orine, home from the hospital, filled with happiness. However, their joy was cut short when an accident orphaned Orine. Nineteen years later, Orine is on the run from the police and ends up making a deal with Yuri Aoshima to escape. She is taken to an experimental space station, where she finds her mother, Satomi, alive and looking young. They begin to unravel the mystery of their separation, but their reunion is threatened by Yuri's plans to shut down the power of the station. As Orine seeks to protect her mother and discover the truth, she uncovers unexpected answers that lead her down a mysterious path. Meanwhile, the presence of "SENSEI" adds to the intrigue surrounding the station.