Can You Guess the Anime from a Two Sentence Summary?

[Minor spoilers possible.] Care to play a game? The following are (sometimes intentionally ridiculous) one-to-two sentence summaries of some generally well-known anime; can you confront the challenge of identifying the works' titles from this limited information? Three... Two... One... BEGIN!  Girl's father marries woman with eleven sons. Girl is excited to have a family, but …