Acrobunch

It is the year 1995. Earth has been conquered by an alien army from the Saar cluster known as the Akron. The cities of Earth have been destroyed, and the remaining survivors live in harsh shanty towns and villages. Kento, a war orphan, hides within a cave along with his companions in order to escape some bandits. In the cave, they find the secret base of Dr. Earl, who was an inhabitant of the planet Helios, a planet conquered by the Akron. Dr. Earl then fled to Earth, bringing with him the greatest achievement in Helian technology: the super robot Daltanius, whose power is increased when combined with the intelligent lion robot, Beralios. Dr. Earl entrusts the fight for Earth to Kenta, who happens to be a descendant from the long disappeared Helian royal line.

In order to explore the newly discovered planet, Promethe, there are many projects are running all over the world. Here in Japan, under the direction of Dr. Oedo, "Space Carrier Jasdum" and "Planet Robot Dangard A" are being built. Ichimonji Takuma is a candidate for the pilot of Dangard A. His father, Ichimonji Dantetsu, was a famous space pilot. However, Dantetsu went missing after a mysterious accident, and the people blamed him for the accident. In order to clear his name, Takuma is trying to become a space pilot and succeed in the project. Will Takuma become the pilot?

Late at night, at a lake surrounded by a peaceful forest, a mysterious spaceship landed on the water. The group that emerged from that ship kidnapped the head of space engineering, Professor Katou, and his family. The Professor's second son, American football player Yuuji, who had run away from home was in the middle of a game and knew nothing of what had happened. The four young people watching him were Mark, Dickey, Franco, and Yuri. They were a team of four psychics who had been training in a secret base. They had seen the previous night's events and believed them to be an alien attack. Believing their only option to be the transforming robot Baratack, they used their psychic powers to kidnap Yuuji. Baratack could only move by combining the powers of Yuuji and the other four acting as one. When all five, including the astonished Yuuji, cried "Pentagoras Unite!” Baratack emerged. Yuuji was overcome with a violent rage, his fighting spirit burning to defeat the Golteus reptile army.

Jiron Amos seeks revenge against the outlaw who killed his parents, but in a world where crimes are forgiven if they’re not brought to justice within three days, there’s only one thing he can do: steal the mecha Xabungle.