Mitsuki Koyama
Mitsuki Koyama is a 12 year old girl who has a dream of becoming a popular singer. She has a tumor in her throat which makes her enable to sing very loud. Mitsuki grew up in an orphanage and later went to live with her super strict grandma, Fuzuki. With Takuto's help, Mitsuki was able to transform to the 16 year old pop singer, Full Moon, which had many single hits. She was also able to see the shinigamis. One reason that Mitsuki wanted to become a singer was to see her old friend, Eichi, again. They had made a promise that when they meet again, they will all be closer to their dreams.
Takuto Kira
Takuto Kira is a rookie at being a shinigami and was asigned to take Mitsuki's life. He is Meroko's partner in green onion ramen. Before becoming a shinigami, Takuto was the vocal singer of Route L, a very popular band with Keiichi Wakaoaji (Mitsuki's doctor) and Aoi Koga (Mitsuki's dad). After Aoi died in a car crash, the band broke apart and Takuto went solo. He was very popular until one day they found out that he had a tumor in his throat and could never sing again. Then Takuto committed suicide. Now by Mitsuki's side, he is able to transform her into Full Moon with his powers. Takuto soon fell in love with Mitsuki and found that he couldn't take her life. Soon after, he recovered his memories from when he was a human.
Meroko Yui
Meroko Yui is a full shinigami and was asigned to take Mitsuki's life by the Death Master. Before becoming a shinigami, Meroko was a teenage girl that had a BFF named Fuzuki (Mitsuki grandma). After a while Moe (Meroko) found out that Fuzuki had been dating her crush in secret. Thats when Meroko committed suicide. At first, Meroko's partner was Izumi Rio, and then she joined the Green Onion Ramen and became Takuto's partner. At first, Meroko didn't like Mitsuki all that much but she learned to like her. Meroko was in love with Izumi at first but had fell in love with Takuto soon after they became partners.
Keiichi Wakaoaji
Keiichi Wakaoajji (Dr. Wakaoaji) is Mitsuki's docter while she is a 12 year old girl and her director while she is Full Moon. Before becoming a doctor, Keiichi was part of Route L with Takuto and Aoi. He played the keyboard for the band. Dr. Wakaoaji was the person who performed the surgery to remove the tumors in Takuto's throat and witnessed Takuto's suicide. He had fell in love with Hazuki because of a letter he thought that she wrote. But soon discovers that Masami Oshige had written it and falls in love with her. He cares for Mitsuki since she looks like her mother and she is the daughter of Aoi. He also knows about Mitsuki's secret about Takuto and Meroko
Masami Oshige
Masami Oshige is Mitsuki's manager when she is Full Moon. She is 28 years old and use to be a singer. Ms. Oshige had a crush on Keiichi when he was in the band, Route L. Masami knows about Takuto and Meroko and how Takuto can change the 12 year old Mitsuki into the 16 year old Mitsuki with his powers. Before becoming a manager, Masami was an unsuccessful singer with the stage name of Yuina Hanazakari.
Madoka Wakamatsu
Madoka Wakamatsu is basically Full Moon's rival. But at the same time, she has befriended the 12 year old Mitsuki. Madoka was She is very nice and thoughtful even though she doesn't sound like the type of person. She has a pet pig named Gu-chan and likes to take her anger out on him. Madoka cares for Mitsuki and Full Moon at the end of the story.
Izumi Rio
Izumi Rio is a cold, distant shinigami who takes away people's souls before they are dead. His old partner use to be Meroko and now his partner is Johnathan. He Fell in love in Meroko after he broke their team up. Izumi likes to call people by nicknames, for example he calls Mitsuki, Mikki. Before becoming a shinigami, Izumi was a little boy who wanted his mother to smile again. His mother had hated him since he looked like his late father. Izumi commited suicide by running onto the train tracks and getting hit. He knew that his mother saw him get hit and he saw his mother smile one last time before he died.
Eichi Sakurai
Eichi Sakurai was Mitsuki's best friend when they were at the orphanage. Two years ago Eichi moved to America with his adopt family. Eichi is 18 years old and dreams of becoming an astronomer. He is a kind and gentle person. He use to hate the moon because the moon saw him cry when his grandpa died. But soon after meeting Mitsuk, he grew to like the moon. But when he moved to America, he died with his adopted family in a car crash a few month later. He has been protecting Mitsuki as a ghost ever since.
Fuzuki Koyama
Fuzuki Koyama is Mitsuki's grandma. She hates music because she thinks that music had stolen everything she loved from her. For example, Aoi and Hazuki (Mitsuki's mom and dad) fell in love and got married, then they both died in a car crash. She also lost her fiance to music when he only wanted to do music and didn't care about her and left her cold. Fuzuki is really protective of Mitsuki since she is the only family member she has left. Near the end of the story, Fuzuki learned to love music again.
Jonathan The AWESOME!
Jonathan became Izumi's partner after Meroko left. He always wears a top hat and speaks really odd english. He attempts to take away Mitsuki's life and likes to play tricks on people. Like Izumi Jonathan can be pretty mean sometimes. At the end Mitsuki, Takuto, Izumi, and Meroko find out that Jonathan was the 2nd person that became a shinigami. (HE'S AWESOME!!!!!)