Oshino wants Koyomi to place a seal for him at an abandoned shrine. Koyomi takes Suruga with him to do the job, but they encounter another strange phenomenon there.
Koyomi and Tsubasa Hanekawa are talking normally, but Koyomi realizes that she is having headaches recently that may imply she might be having an unusual condition again.
Koyomi is really happy because Hitagi has suggested they can go on their first date tonight, But the date does not seem to be what Koyomi was expecting.