Gamer Girl is a live-action thriller that tells the story of the difficult work of a streamer. Players will be asked to take on the role of channel moderator. The plot of the FMV game revolves around a streamer named Abicake99, who returns to broadcasting when her friend Beki goes missing. Gamer Girl asks players to make decisions that change the course of the story. As a moderator, gamers control the stream, conduct correspondence and help the girl.