This story is continuation of the event that was in April. After this event, Oyuki became a snow lady. but she decided to live in Tokuno with her grandfather. It is very hot in this summer. So she has melted.... Her grandfather was surprised and asked for help to us. Oyuki said that Yuki Oni(snow devil) who lived in the north might know. We went to there and ask him. He said us,he is embarrassed with fire elemental around snow ground. He hoped for the extermination of fire elemental. When this problem settles, he supplies an answer to a question. We fight fire elemental. Yuki Oni said us, to bring her with snow man. Snow man has cooled her,and she became a former appearance. He said her, the snow melts some time. He proposed to her, and said whether to live together at snow ground. But she rejected it,and she hope live in tokuno with grandfather. He gave up it. He said Ice Oni(ice devil) have ice that doesn't melt. If she has it, she will be able to live even tokuno. We went to the place where Ice Oni lived. We ask him ice that doesn't melt. He moved recently,he want deforest ice trees. He answers this problem, when we deforest it. We fight ice tree. Ice tree had green thorn. He said us,bury green thorn under the snow. After we bury thorn, giant ice worm spawn. Ice that doesn't melt is giant ice worm! Oyuki tame worm,she got ice that doesn't melt. We back her house. Her grandpa expressed gratitude and he gave ice candy.