[2] The song tells the story of two young lovers who meet again at the beach resort where they had first met during the previous summer.

This song plays on not only the theme of first love, but also of the ways that people will "break the ice" by finding outside factors—in this case, chasing the dog—upon which to focus as an excuse to slowly come closer to a relationship.

Having arranged to meet early (before their parents had arrived), the dog is once again the outside factor that provides a non-embarrassing reason to be together, while trying to overcome their inexperience with love.

The protagonist is eager yet shy, so she talks about her pet as she works up her courage to call him into her arms, then to ask for that first kiss.

The promotional video for Labrador Retriever begins with a woman in a kitchen, as she pours dog food into a metal bowl.

The sound echoes through the house, surrounding sleeping teen girl Mayu Watanabe, and inspiring a dream in which she and other members of the group dance on a beach, in 1970s-style bikinis.

[3] The main song in this single, "Labrador Retriever", was revealed to the public on March 29, 2014 during the encore session of their first concert at the National Olympic Stadium.

36 members were chosen to participate in the A-side song "Labrador Retriever", which has the same number as their 2012 single "Manatsu no Sounds Good!