Azur Lane: Commander of All Factions

I can't stand it anymore, there are too many questions, let's change the name to Amnesia: Gaowu Bilan I don't know what the relationship between the male protagonist and the Siren is. What kind of contract is needed for someone to make it out of a Rubik's Cube? Otherwise, he won't be considered his shipgirl. An arrogant and rude family that kills civilians at will can still have a ship girl