Three weeks after the incident that left Captain Napolipolita's ship balancing on top of Graviton City, A-Ko and the gang go on summer vacation. While A-Ko ponders losing some weight and B-Ko devises another plan to defeat her redheaded rival to win C-Ko, Napolipolita and Spy-D experience severe homesickness - begging for a way to return to their home planet. Meanwhile, Hikari Daitokuji - B-Ko's father and the CEO of the Daitokuji Financial Group - arms the local military with new mecha to attack Napolipolita's ship and obtain its advanced technology.

Nanocore is a science fiction Chinese cartoon in 3D. The stage of the story is established on a fictional planet Birthigin. In this young planet, humanity will never stop longing for a bright future despite reason and fear. In revolutions and evolutions, humanity keeps challenging the Creator, and which eventually induces contractions intensified. People choose to wake up and struggle for their own ideals. They end the peace and angers sweep the whole planet, resulting in outbreak of the crisis known as Purple Fog. In time of humans facing their odds of survival, the plan N.S.P led by the elite keeps frustrating until NanoCore's involving. It brings the plan his birth. As the existence, that the elite thinks should lead the development of human weapons, however, he breaks shackles of fate, and arrives at a land where faith no longer exists. He learns to make choices and grows up with them, and the dim future of Birthigin thus begins to change. (Source: Nanocore Tumblr)

Pepe is a Spanish cyclist competing in an multi-stage Iberian cycling race similar to the Tour de France. He is a support rider for one of the teams competing in the race, and his role is to assist the team's top rider in winning the overall race. As the story unfolds, the racers are set to ride through Pepe's home town in Andalusia on the same day as the wedding of his elder brother Angel to his former girlfriend Carmen. Their relationship was a factor in his decision to leave the town to pursue professional cycling, and the wedding is a frustrating reminder that his career hasn't turned out as he would have liked. Now, with the sponsor planning to drop him from the team and his family and friends cheering him on, Pepe abandons his assigned role and strives for glory.