Comprehensive Manga Kanji: Commander's Dimensional System

This is a boy in the real world who gets a blue port area that belongs to him, and also gets a mission system that allows him to go to other worlds to do missions and get rewards. What stories will he and his ship girls experience? Get rewards from the system, cooperate with Guojia, help Guojia grow, and crush Western Guojia... There may be a two-dimensional world in the future, but there will be very few of them, and besides the ship girls, there may be some two-dimensional heroines. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.