Valkyrie's Shadow - Chapter 15Birthright: Act 4,

During the day, she was his secretary, working very hard with excellent abilities. At night, she was his bedmate, trying her best to please him, and the two of them were very harmonious in bed. One day, this relationship was on the verge of ending. However, both of them had already become deeply involved and had grown accustomed to each other's presence, falling in love with each other. So...

Lu Sheng, who transmigrates to the Star Sea Era, unexpectedly acquires an attribute panel capable of solidifying every single advancement he makes.In this perilous world filled with alien gods, immortals, Mechanical Ascenders, and more, Lu Sheng relies on himself to progress from mortal flesh to the singular True Self.Years later...Lu Sheng flying across the universe, gazes upon the endless darkness at the edge of the cosmos, where a colossal being as vast as the Milky Way Galaxy—once recorded in mythologies of Blue Star—resides.He speaks faintly, “You might be the most formidable Galactic Life Form I’ve ever encountered. Calling you a god wouldn’t be unjustified.”“Yet it’s a pity, for I have already established the foundation of the Great Dao and forged the singular True Self. Henceforth... you may call me the Martial God!”

What would you say is the most valuable thing in this world?

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume