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Robby and Hatchi are delighted to finally arrive on Isekandar, and are soon overwhelmed by the number of souvenir shops around the Great Temple of Isekandar. Ikku, however, remains cynical of everything going on around them.

The long journey thus far has taken a psychological toll, and when it is revealed that they may be turned away from Isekandar, pent-up tensions erupt between Robby and Hatchi. Yang and his crew bide their time on the planet Pinopendio.

The crew make a stop at the industrial world of Yokkamarche, where they meet the man who gave Robby's father the Nagaya Voyager and the Hizakuriger robot. Robby receives a startling revelation about a member of his family.

Low on fuel, Robby and Hatchi find themselves on Mulberry 8, a world where mechanical people are in charge and living beings are slaves. The two must learn to navigate the feudalistic society and adapt to anti-human discrimination.

The gang pays a visit to the planet Akka Sakka, a giant theme park. However, while Hatchi enjoys himself to the fullest, Robby and Ikku find themselves overwhelmed by the planet's ruthlessly-enforced regulations on negative speech.

Robby and Hatchi visit Hamama II, home of the Great Eel Festival. Little do they know that Yang and his gang have tracked them there, where they are also enjoying the festivities, as Yang is affected by the eels' legendary powers of virility!

When Robby and Hatchi reach Haccone, they are unable to pass the checkpoint because they lack travel permits. While contemplate their next move, they visit the planet below and enjoy the hot springs, where they learn of a possible solution.

The trio stops off on the planet Odwarla, an ocean planet inhabited by merfolk for lunch. When Hatchi is reluctant to use his Smartbracelet, he and Ikku end up having to work off the cost of their meal, while Robby gets food poisoning.

While fleeing Yang, Robby and Hatchi run low on fuel, and must make an emergency stop on Mars. Once there, they enjoy the hospitality of the octopus-like Martian people, but the pair soon stumble upon their shocking secret.

Robby Yarge, a man who comes from wealth but has little luck in life, has a chance encounter with Hatchi Kita, a brilliant young man who is tired of the predictability of his life, and the two begin an adventure toward the world of Isekandar.