Video artist Ryosuke visits the suburb of Furano in Hokkaido, tuikan.cc where his friend lives, in order to shoot a video. His car breaks down and Ryosuke decides to walk to a house and ask for a phone. The person that opens the door is his former girlfriend and first love Haruka. They meet for the first time in 23 years. Even though Ryosuke knows that she is married, he takes her to his video shooting and they get close. Ryosuke leaves Hokkaido in 2 days and he asks Haruka to spend one more day with him.
千旭的家离学校不远，所以每天千旭都步行上学。奇怪的是，每天在千绪上学的路上，似乎都有什么东西阻止她到达学校。形势充满了麻烦，千绪的军队为敌人服务，土地为洪水服务，最终总能解决危机。与千绪一起，还有青梅竹马、野野村、信那盖（小岛川千明配音）和田径名将细川雪（本都峰配音）互相厌恶。
