The story is set in the future on the planet named Amoi which is controlled by a supercomputer named Jupiter. Among the mostly male human population, the light-haired elite class is allowed to temporarily keep the dark-haired "mongrels" as pets. One elite member, Iason, encounters a mongrel named Riki in the slums and decides to take him in. However, Iason keeps Riki longer than it is socially approved, and rumors abound about their possible relationship.

Chika Suzugamori, an 18-year-old newcomer manga artist, has just had three of her drafts rejected in a single day. Her editor suggests incorporating her interests into her work, but Chika is an indoor person who only thinks about manga day and night. At a loss, she feels a sudden desire to get away from everything and go on a journey somewhere. Due to the results of an online poll that she posted on a whim, Chika hops on a train and heads north from Tokyo on an impromptu solo trip. When she ends up at the top of Mount Haguro in Aizu-Wakamatsu, she realizes she feels refreshed and more motivated than before. Even if her projects get turned down again in the future, Chika plans to journey around Japan with friends old and new.

Special based on the manga by Ooya Kazumi, published in Betsukomi Flower Comics. An all-male pop group doubles as a detective agency. The cute girl member of the agency is kidnapped when one of the men's past returns to trouble them all in the present.

The now 50 year old Scientific Boys Club decides to built a ship that sails to Mars on the "Ethereal Current" - a thesis of the wife of a club member which claims that the universe is flooded with Ethereal energy. On this stream they travel to Mars in order to prove an old theory about channels on Mars built by Martians, but there is no life. Many years later, when both theories are considered to be nonsense, a Mars expedition discovers a stone with the inscription "Scientific Boys Club 1954".