Ship Girl Designer

For a warship, from requesting it to starting the design, applying for a budget, laying the first keel, modular construction, assembling components, launching, and outfitting, it will take up to three years at the fastest. So how long will it take to sink her? What would happen if a time traveler traveled to the world of warship girls and obtained a system that could design a warship girl from scratch. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.