Tanaka Rika

This is a fictional idol youth manga based on true stories featuring the sweat and tears behind the smiles of the members of the popular idol group Morning Musume。 (google translated)

Is a shōjo fantasy, romance, and adventure manga series written by Rika Tanaka and illustrated by Nao Kodaka. The first 15 episodes were serialized by Kōdansha in the monthly manga magazine Nakayoshi, while the last 8 episodes were serialized in the quarterly Nakayoshi Lovely. It was later collected in five bound volumes containing the Nakayoshi episodes and volumes containing the Nakayoshi Lovely episodes). It is about young girl named Kilala and a lost Prince named Rei who join together to find the "7th Princess" and save the kingdom of Paradiso. It has similarities to the Kingdom Hearts series.