Wearing Books: I Am an NPC in a Female Channel

(I have stopped updating for too long and I have no clue. I will update again when I have inspiration) [Through the book➕System➕Role-playing➕Slightly Mary Sue] She was suddenly caught by the system in the middle of the night to go through the book, but why did she have to play so many roles? The heroine's best friend, instructor, nanny, and driver. She has to fill all the blank roles. Damn it, just give her some money and let her do this! What? ! Eighty billion! Father!