Start-305 Seorang ibu dari orang yang tinggal di SUGI Ward Tokyo dan bekerja sebagai kasir di sebuah supermarket di siang hari tiba-tiba menjadi istri
Hikari is a mother of one who lives in Sugi Ward and lives an ordinary life. One day, a stranger tells her that his wife and Hikari's husband are cheating on each other. Hikari accepts the man's suggestion that "we should have an affair as