Kinji, who lacks any kind of work ethic, is a layabout in his modern life. One day, he finds himself transported to another world—but not in a grand fantasy of a hero welcomed with open arms. He's immediately shoved into a terrible job! Now enslaved by an evil mining company in a fantasy world, Kinji's about to really learn the meaning of hard work!

After overcoming numerous tribulations, the members of Roselia promised to appear on FUTURE WORLD FES. It is now Autumn... Through writing the lyrics of "Promise," Lisa has matured. Watching the change of color in the autumn leaves, Yukina and Sayo expressed their resolve in a picture letter to their future selves. Driven by the wish to do something for Roselia, Rinko has started to compose a new song. "The remaining quests are the contest, the tournament, and FUTURE WORLD FES..." Reflecting on their goals, Ako starts to feel anxious.

"I have a duty to see everything that happens. No matter how much pain and sadness there is... Because I am Spearhead's handler." recaps the story told in through the perspective of Vladilena "Lena" Milizé—the commander of Shinei Nouzen and the Spearhead Squadron. [Written by MAL Rewrite]

There once lived a vampire known as Vanitas, hated by his own kind for being born under a blue full moon, as most arise on the night of a crimson one. Afraid and alone, he created the "Book of Vanitas," a cursed grimoire that would one day take his vengeance on all vampires; this is how the story goes at least. Vanitas no Carte follows Noé, a young man travelling aboard an airship in 19th century Paris with one goal in mind: to find the Book of Vanitas. A sudden vampire attack leads him to meet the enigmatic Vanitas, a doctor who specializes in vampires and, much to Noé's surprise, a completely ordinary human. The mysterious doctor has inherited both the name and the infamous text from the Vanitas of legend, using the grimoire to heal his patients. But behind his kind demeanor lies something a bit more sinister... [Written by MAL Rewrite]