Height 168cm Mayu's dad is a doctor in the hospital. that's how she met Takuma --Mayu came to visit Takuma alot in the hospital and they were really good friends. One day, Mayu heard her dad telling her mom that Takuma have a heart disease, and that he'll not live to be 20. Mayu, who didn't want that to happen, made Takuma swear that when they'll be 20 he will marry her.Through the years, Mayu and Takuma's love kept growing stronger.