The 2nd Chapter continues the story of Ryo Takatsuki and his companions' quest to discover the secret of the mysterious A.R.M.S. they all possess and what the future may hold for them. They now know where the answers lie but to get to them, they must fight a desperate fight of survival against a powerful military corporation that wants their secrets no matter what the cost. (Source: AniDB)

The plot revolves around a summer vacation of Nobita and his friends under the waters of Pacific Ocean. Jaian and Suneo take Doraemon's underwater vehicle and travel through the Atlantic Ocean, trying to find a treasure ship. Along the way, they discover that the environment gun that Doraemon used to protect them is running out of energy leaving them vulnerable to the sea. Fortunately, they are rescued by some marine creatures. Doraemon and his friends are later captured by these creatures, revealed to be inhabinats of the underwater kingdom of Mu. It is revealed that another undersea kingdom, Atlantis, now controlled by robots, was about to destroy the Earth with nuclear weapons after mistaking a volcano eruption for an invasion. With the help of a young boy from Mu, Nobita and his friends attempt to stop the robots, but are all captured. However, when things are at their grimmest, Doraemon's robotic underwater vehicle sacrifices itself to destroy the computer that controlled all the robots and nuclear weapons. After returning to Mu, Doraemon and his friends are hailed as heroes. (Source: Wikipedia)

Ye Chen, an ancient god, who fell from the world of the gods into a heavenly and peaceful world. In this world there are hundreds of countries, surrounded by thousands of states, who are strong and arrogant. Ye Chen has been in this world for hundreds of years and has established great strength, moreover his existence has always been a legend. But the power of the gods' world extends slowly into this world, beginning one of the most cruel and ferocious battles.

Like snow falling in summer, like a cicada lamenting the coming of winter... In a town watched over by a whale in the sky... the extraordinary is made ordinary. Spectacles that could never be given form are instead given flesh and soul. And in their midst, the story of a miracle that comes to pass in this town of miracles incarnate... For Kuonji, this newly-discovered vision is a thing of wonder and fright – a sentiment not shared by his peers. Under its watchful gaze, Kuonji chats with and hangs out with his somewhat unusual friends. Whether it's with Nina and her striped panties, cat-loving Sacchan, the strange alien Allen or a variety of other busty, skimpily-dressed babes, Kuonji finds himself in the middle of ecchi situations galore! Welcome to the world of Final Examination Kujira. Based on a game by Circus.