After her mother is murdered on Halloween, a rebellious teenager travels back in time to 1987 where she must stop the young would-be-killer and get back to her rightful time line before she's trapped in the past forever. 魔法少女小圆121个魔法少女变身大蛇的尾巴很粗,比成年人的腰还粗上一圈,林秋客抱着,也是相当的吃力,不过他身上有了一重白犼的力量,使他有了底气。