Naruto: Assassinating Minato Namikaze at the Start

In the Hidden Leaf Village of the ninja world, Uchiha Sen arrives as a late-night transmigrator, immediately encountering a classic "old man in a ring" trope. Armed with the script of a minor errand runner and awakened with the "Fate Balance" system, Sen—treated as an abandoned pawn by his clan—hesitates not a moment before placing his Sharingan on the scales. Being an Uchiha is no longer worth it. Ninjutsu, bloodline limits, life, soul, loyalty, betrayal, annihilation, ideals... Is there anything in this world that cannot be traded? In the end, I will place all of you upon the scales to weigh the true capacity of this ninja world!