Here are some fun cultural resources about Japanese convenience stores and families:
I. Japanese Convenience Stores（日本のコンビニ）
Erin's Challenge "Let's See": Convenience Store
Culture Quiz on Japanese Convenience Stores (you need to be able to log in to Athena 2)
JNTO Japan Monthly Web Magazine: Complete guide to Japanese convenience stores
YouTube: Japanese Convenience Store Walk-around - Family Mart
Begin Japanology (TV show featuring different aspects of Japanese culture): Convenience Stores in Japan
II. Japanese Families（日本のかぞく）
Web Japan - Tokyo Past and Present: Love and Marriage in the Edo Period
Japan: A Country Study - Family (Note: Although this summarizes the characteristics of typical Japanese families in the past, the forms of families in Japan significantly vary these days. There is a much higher divorce rate, there are more wives working full-time and more husbands being involved in child-rearing, and there are much more people in their 30's and 40's who stay single than 20 - 30 years ago. Read the next two articles to compare.) (Read this for culture discussions.)
Japan - Communication within Family Contexts (Read this for culture discussions - Start at "Contemporary Japanese Families.")
"Ikumen": challenges and support of new generation of Japanese fathers (Read this for discussions)
Japan in 2030: A country from which families have disappeared
Opinion - Time for Japan to legalize same-sex marriage (Read this for discussion)
The New York Times: The Morning - Aging Societies (Read this for discussion)
The Economist: The new Asian family (Read this for discussion - Click HERE if you prefer to listen to the article.)
LGBTQ+ 'familyship' systems expand in Japan amid absence of national law
Wishing to be ikumen: The Ideal and Reality of Japanese Young Fathers
Statistical Handbook of Japan: 2015 (This is not only about families, but it shows the changes in household composition, divorce rate, birth rate, etc. in the past 30-40 years in Chapter 2.)
Begin Japanology - Marriage
Go Overseas: 9 Tips for Living with a Japanese Host Family