Inuyasha: Start with Corpse Vein and Kill Through the Warring States Period!

Just after he traveled through time and became the son of a lord, his father was killed by a traitor! I, Musashi, am forced into a desperate situation and will be killed in the next second! A moment of life and death! God-level option system awakens! [Option 1: Kneel down and beg for mercy and live an ignoble existence. Reward: None. [Option 2: Be loyal to the traitor and betray your father for glory. Reward: The traitor's trust level +10. [Option 3: Awakening the Blood Succession Limit and Corpse Veins! Kill them all! Reward: The perfect version of Blood Succession Limit·Corpse Bone Pulse (trial version, lasts for ten minutes, can be upgraded later), instantly restores 30% of vitality, slightly awakens chakra, and slightly improves all attributes. Is this still a choice? I, Musashi, choose the strongest path! "I choose three!" Boom! The white bones broke out of the body and turned into the sharpest spear and the strongest shield! "Ten finger piercing bullets!" "Puff puff puff!" [Ding! The key figure in Inuyasha's world is detected: Cuizi, please host to make a choice...] [Ding! The key figure in Inuyasha's world has been detected: Immortal Lingyue, please host to make a choice...] [Ding! The key figure in Inuyasha's world has been detected: General Inu, the host is asked to make a choice...] From now on, I will use the name of ninja to become stronger and unify the world in this Warring States period where demons are rampant. In this process, the power of ninjas is integrated into the world of Inuyasha, and at the same time, the noble fairy, the beautiful princess, the powerful witch...