Amakawa Haruto is a young man who died before reuniting with his childhood friend who disappeared five years ago. Rio is a boy living in the slums who wants revenge for his mother who was murdered in front of him when he was five years old. Earth and another world. Two people with completely different backgrounds and values. For some reason, the memories and personality of Haruto who should've died is resurrected in Rio's body. As the two are confused over their memories and personalities fusing together, Rio decides to live in this new world. Along with Haruto's memories, Rio awakens an unknown "special power," and it seems that if he uses it well, he can live a better life. But before that, Rio encounters a kidnapping that turns out to be of a princess of the Bertram Kingdom that he lives in. After saving the princess, Rio is given a scholarship at the Royal Academy, a school for the rich and powerful. Being a poor orphan in a school of nobles turns out to be an extremely detestable place to be.

Failed kamikaze pilot Ken Asuka becomes a rough, tough hooligan who settles all of his problems with karate, until he learns about the legendary swordsman Musashi Miyamoto in the novels of Eiji Yoshikawa. Resolving to live his life like Musashi, he begins to take karate more seriously. Based on a manga by Ikki Kajiwara and Jiro Tsunoda, itself inspired by the real life of Yasunobu Oyama, the founder of the "hard-knock" Kyokushin Karate school.

-ADVERTISEMENT- With the conclusion of her favorite romance manga, Fuuko Izumo is ready to end her life of misery and loneliness having long accepted her fate of never being able to experience passionate love like fictional characters. Cursed with "unluck," anyone Fuuko touches is in grave danger of experiencing unimaginable calamity. While the possibility of imminent danger would have most sane people run in the opposite direction, Undead has other ideas. He is an immortal being with superhuman regenerative powers desperately seeking death, which has always eluded him. When their paths finally cross, Undead sees an opportunity to finally end his suffering by using Fuuko's unluck. But before Undead can unlock the full potential of Fuuko's power to trigger the final devastating blow, the duo must first fend off a murderous secret organization hell-bent on exterminating those with special abilities.

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!