After the death of his father from the elementary school, Kamura took over the role of responsible in the family, including cooking, cleaning and just forcing her mother to go to work she promised to always defend. But then her mother tells her that she will marry again, and finds out about his call, who will soon be 2 years older, whom she has just seen homeless on the streets on the eve. And now her friend of Yuhy, who always teases and makes her feel stupid, behaves differently ... and even trying to console her? Will Kamura be able to take his new family life with his father and brother, and can she let go of his own sense of responsibility for his mother?