A young college student forms an unlikely friendship with the bartender at a "yakuza" bar.

A young girl named Oshin is sent to work for another family, because of her own family's financial condition. Nevertheless, the young girl lives strongly.

Consisting of 5 stories: 1. Extra Synopsis: A man decides to go against a society whose every action and exchange of dialogue has already been prewritten in the screenplay of life. 2. 13-banme no Kyaku (Guest no. 13) Synopsis: A short-tempered man gets his hair cut at a strange barber shop only to find that he cannot leave before going through a certain process. 3. Black Room Synopsis: A son returns home from America to find his hometown shrouded in black and his parents behaving very strangely. 4. Boku wa Tabi o Suru (I'm Taking a Trip) Synopsis: A man’s older sister goes on a trip without realizing the terrifying truth. 5. Otona Juken (Adult Test) Synopsis: A young man must prove that he is truly an adult through a series of real life scenario tests.

Ruka is a young girl whose parents are separated and whose father works in an aquarium. When two boys, Umi and Sora, who were raised in the sea by dugongs, are brought to the aquarium, Ruka feels drawn to them and begins to realize that she has the same sort of supernatural connection to the ocean that they do. Umi and Sora's special power seems to be connected to strange events that have been occurring more and more frequently, such as the appearance of sea creatures far from their home territory and the disappearance of aquarium animals around the world. However, the exact nature of the boys' power and of the abnormal events is unknown, and Ruka gets drawn into investigating the mystery that surrounds her new friends.