Synopsis
For his birthday, an introverted high school boy received a girl-type AI smartphone called Extra — the latest model, personalized to him. Registration required lip pattern authentication. Since then, she has been with him everywhere. She reads his messages out loud rather than showing them. She is useless as an alarm. She instantly became more popular at his new school than he was. A romantic comedy about an antisocial boy and the smartphone who helps him make friends.
