Datang: My Ninjutsu Is Just for Lying Down

Previous life: An ordinary engineering man in the 21st century, with a wide range of hobbies but no skills. The first life time travel (Naruto): time travel to the world of Naruto, but without blood, just an ordinary Konoha genin. Sacrificed as cannon fodder in the Great Ninja War. The Second Life Time Travel (Early Tang Dynasty): The soul traveled to a descendant of a down-and-out clan during the Zhenguan period.