At the Beginning, Cong Yunya Was Used, and His Backhand Was Dedicated to Sesshomaru.

(Inuyasha world + main plot + non-invincible text + system + single female protagonist) Lin Yue traveled to InuYasha's world, returned to the day when Platycodon sealed InuYasha, and witnessed platycodon sealing the person she loved most on the tree of time... Unable to bear Kikyo's death with resentment towards her beloved, Lin Yue chose to tell the truth before she died, but unexpectedly awakened to a system that could become stronger by changing the plot. "Congratulations to the host, you can become stronger by changing the plot." "But doesn't the plot start 50 years later?" "..." "Congratulations to the host for obtaining the most domineering sword in the world - Cong Yunya" "What would happen if I gave it to Sesshomaru?" "..." Ever since, in order to save his own life, after Lin Yue obtained Cong Yunya, he dedicated it to Sesshomaru. "Isn't Inuyasha's ending perfect? What do you need to change?" "Is it perfect? But in fact, behind everyone's seemingly perfect ending, there are blood, tears and heartache that are ignored." "Inuyasha, Kagome, Kikyo, Miroku, Coral, Shippo, Kohaku, Kagura, Kanna..." Lin Yue, whose life was saved, embarked on her own journey to the Warring States Period in order to make everyone's already perfect ending even more perfect...