Shufu Maruhi Furin: Ushiro Kara Dashite(2012)

The Handa couple remain close even after several years of marriage. While Kazuto is often away on business, his wife Tomoko has a hard time dealing with Naoshi, a newspaper scholarship student who visits her frequently. A housewife from the same housing complex, Tomo, is searching for men on a dating site, and Kazuto is having an affair with a female employee who is on a business trip. Tomoko begins to take an interest in Naoshi.