Bundled with the with the ninth limited edition volume of the Majimoji Rurumo: Houkago no Mahou Chuugakusei manga.

Gorou Shigeno's journey with the Indiana Hornets continues as they seek to win the prestigious World Series. However, after an unexpected accident during the match with his fated rival, his quest in becoming the world's best becomes more challenging. Undaunted, Gorou continues to put the weight of his dreams into every pitch he makes, and forges a path towards his desired future through high-speed pitching.

An ordinary day for Seki Hisashi consists of working a nine-to-five shift at an auto parts company in Shinjuku, evading his flirtatious boss' advances, and then riding his motorcycle back to his apartment, where he lives alone. One morning, however, becomes anything but ordinary for the young salaryman. After Seki awakens to a naked woman lying beside him in his bed, he is even further shocked when she reveals her desire for them to be together. Even so, this does not explain her supernatural abilities, telekinesis being one of many. Rather than questioning her elusive nature, he immediately cuddles with her—finding the woman to be his ideal type. On his way home from work, a vision of his newfound love leads Seki to crash his motorcycle, giving rise to a police chase. Meanwhile, the woman awaits him at his apartment but grows restless, apparently unable to be apart from him. Arriving a moment too late, Seki watches her vanish without a trace, unaware if his unnamed soulmate will ever return. Little does he know that returning is something she indeed plans on doing.

Yako Katsuragi is an acclaimed high school detective, who, despite her young age, has solved many cases. In fact, there seems to be no case that she cannot solve, or any culprit that escapes justice. But within the walls of her detective agency lies the secret to her prolific crime-solving skills: the cases are actually solved by her assistant, Neuro Nougami. However, to call Neuro an ordinary man would be incorrect. In reality, he is a demon, who came to the human world in search of the ultimate mystery, having already solved every mystery in the demon world. With Yako as his proxy, he feasts on the negative energy released by humans when they commit crimes. Thus, he promises to help Yako solve the mystery of her father's death. But to do so, he must avoid drawing too much attention to himself, which is why Yako plays the role of the detective. As Yako desperately searches for the truth of her father's death, the unlikely duo continues to solve case after case in order to satisfy Neuro's ravenous appetite.