The series is about a man named Kusaka who has a fascination for marshmallows. Kusaka gets involved in a relationship with an office lady named Wakabayashi, and the story focuses on their relationship in the workplace.

The series is about a man named Kusaka who has a fascination for marshmallows. Kusaka gets involved in a relationship with an office lady named Wakabayashi, and the story focuses on their relationship in the workplace.