The ToQgers arrive at a train station taken over by the Shadow Line which has been renamed "Kettougahara", controlled by the Shadow Line's Saber Shadow who makes everyone duel. The ToQgers do their hardest to protect a boy who is scared at what the Shadow Line has done to his neighborhood and figure out a way to end the Shadow Line's control.
發現自己失去對故鄉的記憶，來斗五人一時茫然起來...
但，由於被告知下個車站已遭到暗影路線的軍刀暗影佔領，大夥只好先專心打倒怪人。
看著樂天不會多想的來斗，洸忍不住開始抱怨，但在同伴的勸說之下，洸還是選擇包容來斗。
同時，與鎮上居民的互動中，眾人察覺自己會失去記憶，是因為故鄉有可能被黑暗吞噬了?!
