Mitaka Trains! Lover Boy - Can't be Afraid of Dogs!

As Mitaka sits with a nameless date watching a movie, he begins to become very bored with the entire situation. Suddenly, on the screen a dog appears, sending Mitaka running out into the lobby. Taking time to catch his breath, a woman notices him and walks over. It happens to be Akemi, and she notices how ill he looks.

Synopsis excerpt via Kitsu.