After graduating from high school, Kazuki becomes a ronin and Iori joins Isai Productions to pursue a career in theatre. Kazuki and Iori start dating after he confesses his love to her on Christmas Day, but a commercial featuring Iori sparks his popularity and keeps him busy. They find it difficult to find time for each other, and their lives continue to diverge. As if to take advantage of their discordant relationship, adults from Isai Productions press Kazuki to break up with Iori, and a person claiming to be the Marionette King posts messages on the internet suggesting that he is going to attack Iori...