Nia is planning a big party to celebrate the anniversary of her arrival on Sodor, but she finds that her friends don't remember her anniversary and are too busy to even talk about it.
今日はニアがソドー島にやって来た記念日。天気もよく上機嫌なニアだったが、パーティーを開こうとみんなに声をかけてもなぜかだれも協力してくれない。
