Since childhood, Kazuhiro Kitase has been able to dream of a different world. He can return to reality by falling asleep or dying, and he can pick up where he left off by sleeping again. For years, he has had many adventures alongside Mariabelle, a beautiful elf who works for the Sorcery Guild. On one of their escapades, they come across the lair of a dragon taking care of its eggs. They inadvertently wake the slumbering beast, who promptly reduces them to ashes. For Kazuhiro, it is merely a temporary setback, as he can simply go back. However, he is shocked to find Mariabelle herself safe and sound asleep next to him. Kazuhiro realizes that his dream world is an alternate reality altogether. In the meantime, he makes the most of this bizarre circumstance, introducing Mariabelle to the sights and wonders of Japan. Now, with their time together spanning two worlds, their real adventures have just begun!

Fleeing a traumatic childhood, lone mercenary Guts drifts from battle to battle, striking down powerful enemies with his unwieldy sword. After one skirmish, Guts clashes with the mystifying Griffith and his small army known as the Band of the Hawk. The victorious Griffith drafts Guts into his ranks, granting the swordsman a kinship unlike anything he has ever known. Alongside the skilled warrior Casca, Guts helps Griffith guide the band to fame and glory. But as he gains military prestige, Griffith becomes the target of assassination attempts and political schemes. He uses Guts to further his ambitious rise to power, taking advantage of the swordsman's lack of aspiration. Even as he grows closer to Casca, Guts' absence of direction robs him of any sense of belonging. Fostering opposing desires, Guts and Casca fight for Griffith's dream—although fractures forming among the trio threaten to disrupt their world.

Nadie is a bounty hunter with an attitude, and she's got a lock on her next target: Ellis, a young amnesiac girl who is a suspect in the murder of a famous scientist. Nadie manages to apprehend Ellis, but on a whim, decides to accompany her to Wiñay Marka, a place which supposedly holds the key to unlocking Ellis's memories and her mysterious past. However, Nadie cautions Ellis that this does not mean she will go free—once Ellis has found what she is looking for, Nadie will turn her over to the authorities. With Ellis's connection to a gemstone called the Inca Rose as their only guide, the two set off on their journey south through Mexico to search for the mysterious Eternal City of Wiñay Marka.

After being summoned to another world, ordinary salaryman Tsuyoshi Mukouda has made a name for himself with his fabulous cooking. During his journey throughout different lands, he has even befriended the mythical wolf Fel and a slime named Sui. While enjoying a meal one day, the trio is interrupted by a tiny but rare pixie dragon who also wants a bite of their food. Like Fel and Sui, the dragon immediately falls in love with Mukouda's cooking and decides to become the man's familiar, receiving the name Dora-chan. However, cooking is not Mukouda's only forte. His familiars' incredible strength constantly attracts the attention of guilds who ask for their help on different quests. In exchange, the guilds are able to process the game Mukouda and his familiars hunt, enabling their growing party to sample various kinds of monster meat. Continuing to travel around the world with his familiars, Mukouda always comes up with new mouth-watering recipes that will leave everyone hoping for a second serving.