The year is 320. Under the rule of the belligerent King Andragoras III, the Kingdom of Pars is at war with the neighboring empire, Lusitania. Though different from his father in many aspects, Arslan, the young prince, sets out to prove his valor on the battlefield for the very first time. However, when the king is betrayed by one of his most trusted officials, the Parsian army is decimated and the capital city of Ecbatana is sieged. With the army in shambles and the Lusitanians out for his head, Arslan is forced to go on the run. With a respected general by his side, Daryun, Arslan soon sets off on a journey in search of allies that will help him take back his home. However, the enemies that the prince faces are far from limited to just those occupying his kingdom. Armies of other kingdoms stand ready to conquer Ecbatana. Moreover, the mastermind behind Lusitania's victory, an enigmatic man hiding behind a silver mask, poses a dangerous threat to Arslan and his company as he possesses a secret that could jeopardize Arslan's right to succession. With the odds stacked against him, Arslan must find the strength and courage to overcome these obstacles, and allies who will help him fight in the journey that will help prepare him for the day he becomes king. [Written by MAL Rewrite]

Tamahiko Shima is the youngest son of the powerful and wealthy Shima family. Blessed with great fortune since his childhood, he grew up wanting nothing but affection from his oftentimes distant family. After losing his mother and crippling his dominant arm in an accident, Tamahiko fell into deep despair and is cast aside by his own father for his handicap. Condemned to live isolated in the countryside where he would not bring shame to his family's name, he resigned himself to dying alone—until one day, a young girl named Yuzuki Tachibana appeared on his doorstep, proclaiming that Tamahiko's father sent her to be his bride. As she takes care of Tamahiko, Yuzuki brings a feeling of springtime into Tamahiko's dreary life, allowing him to gradually heal from the deep emotional scars of his youth. Their lives slowly intertwine as both Tamahiko and Yuzuki taste the fruits of their first love.

After fanatically playing the VRMMO World Fantasy Online for almost a year, the shut-in yet relatively affluent fifteen-year-old Yuna receives a bear costume from the game's administrators. The outfit, while somewhat embarrassing to wear, turns out to have overpowered stats and effects that make her character significantly more powerful. After accepting the bear equipment, she finds herself transported to another in-game world that prevents her from returning to reality. Confused and unable to log out, Yuna sets out to explore this new environment. She rescues a girl named Fina from wild wolves, who then guides her to the city of Crimonia. With her eccentric bear attire, however, Yuna stands out wherever she goes, and alongside her boosted fighting prowess, her reputation quickly rises—to the point that people give her the nickname "Bloody Bear." Undeterred by this change in her life, Yuna decides to take on the role of an adventurer and fully enjoy herself in her new world.

While reveling in the successful clinching of a prized vase for his collection, Yoshifumi Nitta, a yakuza member, is rudely interrupted when a large, peculiar capsule suddenly materializes and falls on his head. He opens the capsule to reveal a young, blue-haired girl, who doesn't divulge anything about herself but her name—Hina—and the fact that she possesses immense powers. As if things couldn't get any worse, she loses control and unleashes an explosion if her powers remain unused. Faced with no other choice, Nitta finds himself becoming her caregiver. To let her use her powers freely, Nitta asks Hina to help out with a construction deal, which goes smoothly. But while this is happening, a rival yakuza group covertly attacks his boss. To Nitta's shock, his colleagues later pin the blame on him! Tasked with attacking the rival group in retaliation, Nitta steels himself and arrives at their hideout. But suddenly, Hina unexpectedly steps in and helps him wipe out the entire group. As it turns out, Hina might just become a valuable asset to Nitta and his yakuza business, provided she does not use her powers on him first! And so the strange life of this unusual duo begins. [Written by MAL Rewrite]