The anime's story is set in a world made of "cuteness" called Sun Kingdom. Ganso Hoppe-chan, who lost her memory, appears in the kingdom. Meanwhile, in the real world, an office worker named Hoho is slowly losing her self-esteem in her work and life, sending her on the verge of becoming lost in life. Somewhere between Ganso Hoppe-chan and Hoho's worlds, their paths cross. Back in Sun Kingdom, toxic Hoppe-chan creatures are creating an "uncute place," and Ganso Hoppe-chan joins the "Guardians" to protect the kingdom.

Giant robot parts fell from the sky, so Nobita and Doraemon took it into the mirror world to build it and called it the Zandacross. It seems that Zandacross is a dangerous weapon so they kept it a secret. A mysterious girl named Lilulu appeared and asked for Zandacross for the invasion but she doesn't agree to invade the Earth. Doraemon and the others join forces to stop the invasion of the robot army but it seems that Lilulu is the only one that can stop it.

Crafty Gecko and General Tiger attack the Goat Village with plans to build an amusement park. Even worse, they intend to turn the castle of Wolfie (Grey Wolf) and his wife, Wolnie (Red Wolf) into a public toilet! To save their captured families from the fierce animal gang and robot soldiers, Weslie (Pleasant Goat) and Wolfie must work together to find the legendary statues that protected their ancestors. Can they beat the villains and become friends?

The long war between the planet Earth and the machine men is finally over, resulting in a peace that is more a victory for the machine men than the Earth. Warrius Zero lost his family in the war to the machine men but despite this he is still is a member of the Earth fleet that is now working in concert with the machine men. His ship, made up of both humans and machine men, has been given a near impossible task: capture the space pirate Captain Harlock. While Zero struggles to accomplish this task, evidence begins to surface that the peace between machine men and Earth may not be as it seems...