This is a story about a little girl who lives in an old house in the mountains. Her name is Bincho-tan. Each episode depicts a day in the life of Bincho-tan as she prepares her breakfast in the morning, goes to the forest to gather vegetables, does her household chores and rests at night after a day's work. She is surrounded by a group of close friends who add color to her ordinary yet simple life.

Special omake episodes from the Blu-Ray releases, showing the heroines and foes in funny, uncommon situations.

Shu is from Datania, a country that makes young children work. He and his friends were trying to escape when they met the Returners. The Returners are some kind of rebels to Datania. Shu goes with the Returners to fight Zero, Nines, and his men who are after DT, a special substance inside humans.

Deep in the Ararat Mountains of Turkey, a secret organization known as ARCAM has found what is believed to be Noah's Ark. However, the U.S. Machine Corps., a rogue organization of the Pentagon, wants to take over the Ark as a means of global supremacy. Only a special ARCAM operative known as a Spriggan stands in their way. Japanese Spriggan Yu Ominae teams up with French Spriggan Jean-Jacques Mondo to combat members of the U.S. Machine Corps. led by Col. MacDougall—a genetically-enhanced boy with deadly psionic powers. However, they must act fast and stop MacDougall before he uses the Ark for his own agenda.