Kei Kunieda is a newscaster who strictly maintains an amiable and kind persona while at work. Although he smiles on the outside, he covertly curses at others to his heart's content. His everyday life is smooth, even if he keeps half of himself hidden at all times, but that changes when he meets Ushio Tsuzuki, an independent stop-motion animator. Soon, Kei finds himself caught in a lie borne from his two personas meeting Ushio under different conditions, with the other man unaware they are the very same person. As feelings begin to blossom between them, Kei cannot be sure if Ushio will love both sides of him—or only just half. [Written by MAL Rewrite]

After discovering that his orphanage was on the brink of closing due to financial stress, Finn, who was living freely on the streets, set out for a casino with the aim of making a fortune. However, nothing could have prepared Finn for the nightmare that was awaiting him. Once there, Finn encountered a car chase and bloody shootout caused by a man's “lucky” card. Finn will eventually learn what the shootout was about. The world order can be controlled by a set of 52 X-Playing cards with the power to bestow different superhuman powers and abilities to the ones that possess them. With these cards, people can access the hidden power of the “buddy” that can be found within themselves. There is a secret group of players called High Card, who have been directly ordered by the king of Fourland to collect the cards that have been scattered throughout the kingdom, while moonlighting as employees of the luxury car maker Pinochle. Scouted to become the group's fifth member, Finn soon joins the players on a dangerous mission to find these cards. However, Who's Who, the rival car maker obsessed with defeating Pinochle, and the Klondikes, the infamous Mafia family, stand in the way of the gang. A frenzied battle amongst these card obsessed players, fueled by justice, desire, and revenge, is about to begin!

When the popular online game Yggdrasil is shut down, a lonely player named Momonga decides to stay logged in and take over this digital frontier.