Traveling Through Naruto, the Gatekeeper of Konoha

A Naruto game is about to be launched. The promotion claims that it is 100% real. With the attitude of giving it a try, I clicked to make a reservation... When I woke up, I came to Konoha! In addition to two countdowns and a main task line to survive, there is only a system called the gatekeeper: "As long as someone does not enter the guarded place through the main entrance, they can spend their lifespan to challenge the opponent's strongest image in the exclusive space. If they fail, their lifespan will be reduced by 1. If they succeed, they can obtain the opponent's bloodline and ninjutsu." And my lifespan is 262799:59:59...