Beyond The Walls

2,000 years had passed since the humanoid eating creatures called titans appeared on the face of the planet. Humans isolated themselves by surrounding their infrastructures with three 50m tall walls. Each walls have districts on each corresponding direction of north, south, east, and west. Jiro is a kid who lives inside of this districts alongside his dad and two childhood friends, Amir and Yukan. But one day, they were reminded that they were living inside a cage. Now, Jiro is willing to free the people living inside this walls. But will the people benefit from his will, or will he be the reason for a mass genocide?