Margrave's Bastard Son was The Emperor - Chapter 280

This is a prequel to the anime movie To Aru Majutsu no Kinsho Mokuroku – Endymion no Kiseki.

Just before the completion of the Academy City space elevator “Endymion”, the main characters Kamijou Touma and Index encounter a level 0 girl named Arisa. The Magicians are after Arisa, and they attack Academy City. A female leader named Shattoaura leads a unit from Academy City against the attack. Kamijou and Index learn from Stiyl that Arisa is key to a brewing war between the sides of Magic and Science. When science and magic cross paths, the story begins with Endymion as its stage!

Dynasties rise and dynasties fall, like the tide washing the sand.

Song Yan, a senior high school student, lost his parents when he was a child. Before obtaining a mysterious and amazing ring, he has been often plunged into a vulnerable position and easily marginalized. However, his life is changed because of the cryptic ring.

- Description from Novelupdates

Reborn into the body of a poor young boy in an unknown village in another world, Lu Qing felt quite helpless.Fortunately, he awakened an ability to see through the information of objects, which gave him a bit of capital to survive.He looked at a weed by the road.[Cow bone grass, average quality, medicinal, highly effective in treating bone injuries.]He looked at a red carp in the river.[Red moon carp, excellent quality, delicious meat, a top-grade nourishing food.]He looked at a wild rabbit in the mountains.[Gray rabbit, ordinary wild rabbit, edible.]...With his innate ability, Lu Qing gradually established himself in the village, able to survive.Just when he thought he would lead a peaceful life in this ancient world with low productivity,one day, he suddenly saw a figure sweeping across the sky...