People in Konoha Create Rankings in the Ninja World

Arena: A tower appeared out of thin air in the Ninja World continent, trapping all tailed beasts in the tower and distributing energy to all parts of the world. Countless ninjas awakened the "system" ability and were forcibly transported to the tower, ranked in one derived instance after another, and received rewards from the instance. —————————— "In love?" "What rank are you in?" (Unlimited flow, enter with caution.)