The flagship of the human fleet HTV-5000. Heavy mobile fleet headquarters. A city with the power of a battering ram. It is capable of terrorizing planets. The planet Titanium .... is not for nothing that the last island of hope, the home and stronghold of the human race bears its name after the collapse of the empire of Artrade .... Strong and reliable, like a Titan propping up the firmament.. And the planet itself harbors reserves of titans for two thirds of the empire.. the former empire.. If it weren't for the landlord, the people at the head of the planet would have been drained dry...