My Reincarnation Watch Glitched, But I Still Have My Sharingan

Uchiha Mingjing, a newly reincarnated soul, wakes up to a harsh reality: he's a 10-year-old orphan in the Uchiha clan during the brutal Second Ninja World War. His parents just died, the clan's future is extinction, and Konoha is desperately sending ninja school students to the front lines as cannon fodder. His 'reincarnation system' watch is nothing but a broken timepiece.