Deep in a tropical jungle, young Yaiba Kurogane diligently practices swordsmanship alongside his father, Kenjuurou, completely unaware of the modern world. However, one day, the two end up in a container on its way to Japan. There, they encounter Kenjuurou's old rival, Raizou Mine, and his daughter, Sayaka. Out of other options, Yaiba agrees to a deal with the Mine household: if he beats the strongest student in their dojo, he will be welcome to stay. Using his distinctive skills and extraordinary strength, Yaiba earns his place. Wanting to fight more powerful enemies, Yaiba follows Sayaka to school—where he quickly loses to Takeshi Onimaru and acknowledges him as his new rival. With Onimaru inheriting the sword of his bloodline and obtaining demonic powers, Yaiba must train to become even stronger and beat him for good.

Chocolat Meilleure and Vanilla Mieux are two witches who are pitched in a contest to see who will become the new Queen of the Witch World. They must travel to the Human World and collect the hearts of humans. Whoever collects the most "human hearts" wins. Even though they're rivals, the two are still best friends. Join them on this adventure!

A technological hell masquerading as paradise, Tsukimihara Academy is an artificial high school that serves as the setting for the next Holy Grail War. Created by the Moon Cell computer, the school is inhabited by Earth-projected souls who have even the slightest aptitude for being a "Master." Of these 256 souls, 128 will be chosen for the main tournament and granted a Servant. With all of the Masters selected, the Academy activates a purge, targeting the remaining lifeforms for elimination. Awakening in a pool of his own blood, Hakuno Kishinami refuses to die. Fueled by unknown feelings of hatred, he vows to fight for survival. As he struggles to escape from a relentless pursuer, he finds a crimson blade plunged into the ground; and by pulling it out, Hakuno summons his own Servant, Saber, who instantly destroys his pursuer in a flurry of rose petals. With his newfound power, Hakuno must now begin his journey to Moon Cell's core, the Angelica Cage. There, he will unveil the reason for this artificial world and the secrets of his own blood-soaked past. [Written by MAL Rewrite]

Though Gundam Plastic Models, better known as Gunpla, exploded in popularity with the release of the anime series Mobile Suit Gundam, their presence faded before resurging with a new purpose. Through the power of Plavsky particles, fans are now able to pit their Gunpla against others in a virtual reality-style battle with the best competing at the annual Gunpla World Tournament. Sei Iori, whose father was a once finalist in the competition, dreams of one day conquering the contest himself. However, while Sei is an expert Gunpla builder, he lacks the prowess to effectively fight his creations during actual battle. In comes Reiji, a mysterious boy who is curiously ignorant of society but quickly demonstrates to Sei tremendous ability in Gunpla battles. The two boys decide to combine their strengths in order to sweep the Gunpla World Tournament and take the Gunpla world by storm.