My Mobile Phone Girl Can't Be This Cute!

"No way. Do people really use such no-name antique machines these days?" Faced with the ridicule of his classmates and the embarrassment of money, high school student Koji could only silently hold on to his second-hand "Yali 4" that he bought and was extremely stuck. He never dreamed that this cheap car that was rejected by its previous owner would turn out to be a huge turning point in his fate. After an accidental charge, the phone turned into a petite and cute girl with white hair, cat ears, and ice blue and amber eyes - Mobile Phone Girl Xue Ling! Then, there is a magical "Ruoruo System" that awakens: as long as through close daily interaction, Xue Ling can evolve from a pitiful little person with low performance to a super smart companion!