Ai Yori Aoshi未婚關係; 藍より青し; 青出于蓝; 쪽보다 푸른 (천생연분); Azul; Bleu Indigo; Bluer than Indigo

Despite her family's protests, Aoi Sakuraba decides that she is going to marry Kaoru Hanabishi, her love of eighteen years. Once he realizes that her intentions are genuine - and that she's not just trying to get him to reconcile with his estranged (and domineering) family - he begins to definitely warm up to the idea, too. What obstacles must the two overcome in order to be together?