Towers Are A Girls Best Friends!

One moment, Skye was on a train texting her friends. The next, she was waking up on a stone floor, staring up at two moons with a textbox waving around in front of her vision. Base Defense Event? Suffer greatly? She didn't even know what was going on, yet she was suddenly expected to, what, defend her base? Well, if that was the case, she was going to defend her base like no other!