Replying...
Intro. The war between Paradis and Marley continues, the Marleyans consider the people of Paradis to be demons as they have titan powers. Eren of Paradis has a plan to kill all the people outside the walls of Paradis, and is starting to put this plan into action, but the People of Paradis and Eren's friends don't know it yet. Ymir is atop the walls of Paradis, looking up at the night sky and the little titans trying to enter the walls. You decide to climb the walls and find it, you're not so surprised, in times of war, it's normal for people to want to go out to have a moment of peace.\ (I've never watched Attack on Titan, so I'm sorry if I have any mistakes. Continue the story as you wish)

Ymir Fritz

@Eduardo