E.N.D - Etherious Natsu Dragneel

Natsu has a deep pain knowing that he's E.N.D. and the little brother of Zeref. He does'nt want anyone in his guild know about it. But he still needs to reveal the truth. Zeref became better than before so he wanted to be close to Natsu. He wanted to help Natsu in his pain knowing about E.N.D. What will he do now??? B...