Does the subject want to ask "what is the advanced level of eldest sister-in-law as a mother?" 12. In the game "Big Sister is Mom", in order to ensure the normal progress of the game and customs clearance, it is necessary to raise the advanced level of the characters and talents controlled by the player to 12, so that in the process of adopting a daughter, there will be no mistakes from hunger to marriage, and then customs clearance will be carried out. "Dragon Sister as Mother" is a game developed by word management and released by Orange Light Games.