Yuki, a beautiful older woman who moved in next door, is said to be a single mother. Asano was worried about her who had just divorced and seemed to be having a hard time. One day, when she wanted to help but couldn't find the courage to help, Asano witnessed her husband arguing with Yuki. - She gets in between her ex-husband's sword curtain that seems to be about to hit her, but on the contrary, she is beaten up. The sense of distance between the two of them deepens as the action of putting their bodies on the line shoots Yuki's chest. From a mere neighbor to an irreplaceable relationship ...