A night between an unhappy housewife and her old friend results in her pregnancy, but she tells her husband that the baby's his!

Yuri appreciates her son Kazuma's passion of figures, but worries about his ability to get along with the group. Yuri, who works as a writer, visits Edo Kiriko glass atelier to cover an article. Through the lessons she learns from the father and son artisans she meets during her interview, she begins to think about respecting Kazuma and developing his potential.