Titan

After the sudden appearance of the mechanic colossal monsters called " Titans " , humans created a special force called " Red Rose " the force which protects human lives from the total annihilation. The main protagonist named Owen who is devastated after the loss of his parents who got killed by a Titan, but that didn't stop him from getting his revenge so he joined the " Red Rose " hoping to stop the Titans and return the world which use to exist before the Titans.