Mari is a woman who aspires to be successful in business and to be a great mother for her 3-month-old son; Mari insists on breastfeeding her child; however, her intention to exclusively breastfeed is put to the test.

Kengo and Mai have been married for three years; Mai used to work as a designer, but she got depressed because of her relationships in the workplace, and is unable to go to work.

Momoko, a 50-year-old single woman, has dedicated her life to her career as a TV reporter, and feels that life has passed her by; she meets a man named Yoji through a dating service, since then, they have been camping and enjoy their days together.

UK-born Emma is living in LA to temporarily save money to continue her long trip, and teaching English online to foreigners; it is a question from Mamoru, a Japanese student, that shakes her to the core: "What is love?"