Searching for the Full Moon starring a 12 year old girl named Mitsuki Koyama. Mitsuki has a good voice and wants to become a singer like his father, but is suffering from throat cancer, which can be cured by removing the vocal cords.
One evening Mitsuki sees emerge from her poster on the astronomical full moon, attached to the wall, two shinigami (messenger of death), Takuto and Meroko, that only she can see. The two formed the group Negi Ramen (or Spring Onion Noodles ) and have the task of taking the soul of the girl at the time of death and to prevent anyone to save his life.