I was Drafted Into a War as the Only Human - Chapter 64: Whispers of Stone

“A marriage contract determines fate for a lifetime.As the once well-to-do Sang Wan marries into the wealthiest Shi family of Qingzhou, she faces a suspicious and difficult mother-in-law, a husband who cherishes his childhood sweetheart instead, a harsh eldest sister-in-law, and a cunning younger sister-in-law. The diffident Sang Wan retreats and concedes until she ultimately meets a tragic and desolate end, dying alone in a secluded corner of the Shi Mansion.Reborn in the sedan chair on her wedding day, where should she go? At the starting point of tragedy, with a chance to start anew, can she change her tragic fate and create a life filled with harmonious melodies for herself?In this life, she only desires a leisurely and peaceful existence, to truly live for once.”

The leaves of the chess game beside Lanke, and there is no one playing chess among the old trees
Xing caused Tian Yuan’s first son, and then looked back at the vast mountains and seas
When he woke up, Ji Yuan became a half-blind beggar in a dilapidated mountain temple.
A real person has a sword and a magic stick has a mouth, which is the foundation for Ji Yuan to settle down in this terrifying world.

- Description from novelbuddy

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.