Hidden Secret [A Naruto Fanfic]

Sakura is a smart and great medical ninja, following her master's footstep, Tsunade. Since Madaara the fourth great ninja war, all the ninjas have no time to rest so life is hard for our young shinobis. One day, Tsunade gave Sakura and the others a mission that needs to leave the village for awhile, but the moment they stepped out of the village, three unknown ninjas suddenly come out and is looking for...... Read it to find out who's the person these three mysterious ninjas are looking for.