Falling in Love with Characters from the Universe

The protagonist, Anna, is a girl who loves to daydream. One day, while walking down Happiness Street, she happens upon a stationery shop and transmigrates into the universe. There she meets the male lead, and the two fall in love at first sight. Since he still has to cultivate in the universe and cannot come to Earth with Anna, he implants a chip in her head so they can chat whenever they like. As they maintain a long-distance relationship, he teaches Anna how to see the world and imparts much wisdom to her. During their time together, Anna tells him the story of her life. He is deeply moved and realizes that she is the one he has been looking for. Later, after completing his cultivation, he reunites with Anna, and the two live happily ever after, buying a castle on Happiness Street.