宁静的九州乡间小镇,生活着平凡的少女岩户铃芽。这天上学路上,她邂逅了神秘的白衣青年宗像草太。草太的言行举止引起了铃芽的好奇,她随着这个青年来到了一处废墟,并看到了一扇在水中央突兀伫立的门。懵懵懂懂,铃芽无意间解开了某个古老封印。在此之后,一场地震突发,而偏偏只有铃芽才能看见地震前发生的诡异现象。随后这个惶恐的女孩才发现,草太原来是有着古老传承的闭门师,他巡游日本各地正式为了阻止更大的灾难发生。
从西日本到东日本,追逐灾难的旅途中,铃芽尘封的记忆也渐渐苏醒……。Neneh is a little 12-year-old black girl. Born to dance, she dreams of gaining entry to the Paris Opera ballet school. Despite her enthusiasm, she will need to work twice as hard to escape her condition and gain acceptance from Marianne Bellage, the director of the establishment and an upholder of traditions, who hides a secret connecting her to the little ballerina…。