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.

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 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!

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.

The Crystal Pearl has transformed and its power threatens the entire world! Everyone will suffer unless all of the former competitors learn to cooperate!

With Yang closing in from one side, and the Luna Guard closing in from the other, Robby and Hatchi flee Isekandar in the Nagaya Voyager, and discover another of Dontsu's secrets. As both factions give chase, can they return to Earth safely?

San and Forte seem to have a good thing going on - San continually demands too much from Forte, and he’s quick to give in to her every nagging need. It’s an unusual relationship with unusual beginnings.

Nina has discovered that there might be a way to rid herself of the Crystal Pearl and live a normal life! But won’t that mean saying goodbye to Ichii and Zero forever?

Nina is forced to participate in the mid-term sorcery exam! Now everything Zero and Ichii have worked for is at stake. Will they be able to meet the challenge?

Even with the Crystal Pearl in her belly, Nina still has to go to class. When Forte and San show up and start making trouble, Nina discovers her new bodyguards are also the newest students at her school!

Nina eats the Crystal Pearl after mistaking it for a sweet treat, and Zero and Ichii have to risk everything to protect her from all the other examinees searching for the coveted prize!

Nina, Zero, and Ichii are on vacation! But if they relax too much, they might fall victim to one of the familiar faces hoping to ruin their fun and find the Crystal Pearl!

Two new examinees have arrived to cause trouble! Gou wants to find the Crystal Pearl, but his partner Rokka treasures Ichii far more - and the attention Ichii lavishes on Nina is driving Rokka mad!

New examinee Toto diligently searches for the hidden jewel, but his partner Kuku is hunting for her “fiancée” - Zero! Kuku is crazy with desire for her man, and she’s turning Nina’s school into a zoo!

New examinee Toto diligently searches for the hidden jewel, but his partner Kuku is hunting for her “fiancée” - Zero! Kuku is crazy with desire for her man, and she’s turning Nina’s school into a zoo!

All great teams have to start somewhere, but the bond between Zero and Ichii hasn’t always been positive. Nina may know Zero as the ruder of her two guardians, but things were very different in the past.