They both reflect on their past; Nanami came from Shizuoka to Tokyo and started working as a dancer because her former job didn't pay enough, Shun was left by his mother as a child and now works as a goldsmith in his stepfather's workshop.
Nanami and Shun both draw parallels between their past and present lives; Nanami relocated from Shizuoka to Tokyo and began dancing because she couldn't afford it in her previous job, whereas Shun was abandoned by his mother at a young age and is now working as a goldsmith in his stepfather's workshop.