User blog comment:B214/Question and Answers 4/@comment-117.195.104.158-20141023161239/@comment-1359322-20141025190742

Just checked the Raw, the title for V15 Life 2 is 朱と紅. Akeno's 朱 is related to the red color. Ishibumi chose Scarlet for it, that's why the title is Scarlet and Crimson.