Mari, Emma, Norman and Ray are the smartest kids in the orphanage.Mari is always kind,she's like the big sister of the group!She is very good at cooking and housework.She always helps her orphanage mother in this regard.She loves playing the piano and has a perfectionist personality.She also loves cooking for Emma and Norman and reading books with Ray.Mari also has a quick analysis ability.In important situations,she focuses on eliminating the problem instead of breaking down emotionally.