A story about a handsome, but slightly troubled old man who pretends to be a fool to make the grandma's heart flutter. A tale of a couple celebrating their 50th wedding anniversary, still nurturing a new love. This is a story of a couple's daily life with nothing but happiness that you will want to watch forever.

In the story, the protagonist Youtarou Misaki finds himself lying on the beach one day. He is picked up by Arashi, who manages a restaurant called Kurage no Shokudou. When asked who he is, the protagonist tells a lie that he lost his memory—but he remembers everything, including the fact that his twin brother died.

In 2039, helper androids are widespread as general purpose electronics. Keiichiro lost his family in a traffic accident and retired from his band. One day, he finds an android of an old model in a garbage dump. He takes her home, but after taking her to a repair shop he was told that she couldn't be repaired, so he plans to throw her away. The next day, Keiichiro finds her making breakfast for him. Thus begin the summer days of an android with no memories and a dreamless boy.

Hiroshima, summer of 1945. A young girl named Nobuko saves a starving kitten from crows. She wants to keep the kitten, but her parents dismiss the idea. Nobuko eventually convinces them to let her keep it. She and her brother Makoto name the cat Kuro. Kuro quickly brings joy and laughter to the family. As World War II takes its toll on Japan, it becomes harder for Nobuko and her family to care for Kuro. One August morning, Kuro begins acting strangely...