Peaceful schoolgirl by day, fearsome monster slayer by night, Saya Kisaragi is leading a split life. Equipped with a ceremonial sword given to her by her father for sacred tasks, she vanquishes every monster who dares threaten her quiet little village. But all too soon, Saya's reality and everything she believes to be true is tested, when she overhears the monsters speak of a broken covenant—something she knows nothing about. And then, unexpectedly, a strange dog appears; it asks her to whom she promised to protect the village, curious as to what would happen if she were to break that promise. Tormented by unexplainable visions and her world unraveling around her, we travel with Saya through her struggle to find a way to the truth in a village where nothing is as it seems. [Written by MAL Rewrite]

Ren Mihashi was the ace of his middle school's baseball team, but due to his poor pitching, they could never win. Constant losses eventually lead to his teammates bullying him and reached the point where his teammates no longer tried to win, causing Mihashi to graduate with little self-esteem. As a result, Mihashi decides to go to a high school in a different prefecture where he has no intention of playing baseball. Unfortunately, upon his arrival at Nishiura High, he is dragged into joining their new team as the starting pitcher. Although unwilling at first, Mihashi realizes that this is a place where he will be accepted for who he is; with help from the catcher Takaya Abe, he starts to have more confidence in his own abilities. Abe, seeing the potential in Mihashi, makes it a goal to help him become a pitcher worthy of being called an ace. [Written by MAL Rewrite]

Picking up where the original series left off, Ren Mihashi, the ace pitcher of the newly-formed Nishiura High School baseball team, and his teammates face the Sakitama High School team in the next round of the High School Baseball Invitational Tournament as they aim to play in the finals at legendary Hanshin Koushien Stadium. (Source: ANN)

On the first day of junior high school, Mato Kuroi happens to run into Yomi Takanashi, a shy, withdrawn girl whom she immediately takes an interest in. Mato tries her best to make conversation with Yomi, wanting to befriend her. At first, she is avoided, but the ice breaks when Yomi happens to notice a decorative blue bird attached to Mato's phone, which is from the book "Li'l Birds At Play." Discovering they have a common interest, the two form a strong friendship. In an alternate universe, the young girls exist as parallel beings, Mato as Black★Rock Shooter, and Yomi as Dead Master. Somehow, what happens in one world seems to have an effect on the other, and unaware of this fact, the girls unknowingly become entangled by the threads of fate. [Written by MAL Rewrite]