On his way to school, Hiiro Ryuugasaki hears a strange voice coming from his storage shed. As he searches the place, he discovers a smartphone with the popular digital card game Shadowverse already installed. Under the assumption that his grandfather has finally decided to buy him a smartphone after countless requests, Hiiro finds nothing amiss. Later that day, Hiiro receives concerning news regarding his classmate, Mimori Amamiya. She has lost as yet another victim of Takuma Kibakura, a fellow Shadowverse player who bullies his opponents by seizing their phones after he defeats them in battle. Determined to retrieve Mimori's smartphone, Hiiro enters an exciting new world, filled with intense matches and fierce Shadowverse opponents—including the formidable Lucia Yonazuki.

While Nobita is sleeping, he suddenly feels the floor is trembling, like there would be an earthquake in his room. A little rabbit from an alternate universe named Chamii opens the door between the dimensions using a hammer and gets inside Nobita's room through the floor. Nobita waks up and Doraemon hears somebody steals food from the fridge in the kitchen. It is Chamii, who gets caught by Doraemon and Nobita. She shows them the passageway through Nobita's floor into the spaceship. After they enter the spaceship, they see the Koya Koya Planet. they meet a boy named Roppuru...

Pingu continues his misadventures in the big city, now with even more different jobs for him to mess up as a result of his adorable clumsiness and affinity for mischief. Join him on his curious capers as he wreaks havoc across the city.

A rumor has spread amongst the children worldwide regarding the popular B-Daman matches: A select group will be allowed to participate in an upcoming secret competition, known as Cross Fight! (Source: translated and adapted from official site by Cranston)