Takasugi Harumi is a 31-year-old man, and even though he has a college degree, he is unable to find a job. One day Miya, Harumi's sister-like aunt, suddenly dies. Miya had a 12-year-old daughter, Kururi, and now that her mother is dead, she has no one to rely on. Harumi has to take care of Kururi, but her heart is closed off. However, they make box lunches and get closer to each other. Each lunch box has their feelings, their love, and their heart in it. This is a loveable heartfelt story.
