Bring a Magic Pen to Fight Monsters

A college student accidentally came to the future, and strangely, he even brought a pen with him. This is the rhythm to become Ma Liang, the magic pen! Coming to the new world, there are all kinds of luxurious battleships, rare equipment, and epic weapons. The protagonist is simply overjoyed. But the next moment, cannonballs are coming, the battleships are ready to go, and the war is about to break out... The protagonist, armed with the magic pen, steps towards the top and becomes the interstellar king!