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 aunt, a sister-like woman to Harumi, suddenly dies. Harumi had a 12 years old daughter, Kururi, and now that her mother is dead, she has no one to rely on. Harumi has to take care of Kururi now but her heart was kept closed. "Obentou", a lunch box made reasons to get closer to each other. Each lunch box has their feelings, their love, and their heart in it. This is a lovable heartfelt story..