The Last Incubus with The Vice and Valor System - Chapter 130 - 6

In a universe where the memory of Wisps has faded, one of these elusive beings finds itself amidst human society two billion years in the future. But what exactly is a Wisp? No one knows anymore. Join this whimsical and unconventional Wisp on a hilarious journey as it navigates an unfamiliar world, seeking its place and rediscovering what it means to be a Wisp.

The mountain man, an immortal, roams the peak of Qingyun.In the furnace of Yin Yang, he refines, The Great Dao Path stirs within his heart.Luo Chen traverses through the Cultivation World, empowered with a Proficiency Panel. With pill refinement and Qi refinement, he steps towards the Path of Longevity.

Everyone said that Yi Qing was the number one Sword Cultivator in the world, with a swordsmanship and cultivation that no one could surpass. Whether it was when he was cultivating in the Lower Realm, or when he was in the Ten Heavens of the Upper Realm, he has always been undefeated.

Yi Qing laughed and said: “That is because you do not know of my Master. If we speak of cultivation, I am not as good as she by a long mile. Thinking about it, at the start, out of the ten Heavenly Emperors of the Upper Realm, my Master beat up nine, and the one left was myself.”

“Master? You actually have a Master! Who? How come we never heard of it?”

“My Master is…. Eh? Master? Master! And my Master? Has anyone seen my Master?”

A person next to them quietly raised her paw. “I am here!”

- Description from Novelupdates

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