Anti-Climax: Yuuko's death in A Tale of Melodies is foreshadowed throughout as a tragedy of tragedies. When it's actually portrayed: She's hit by a car after chasing a ball into the street. Though it could be argued that such a childish act leading to an undignified death was the true tragedy.
Die for Our Ship: There is quite the hate towards Kei for getting in between Hiro and Miyako. Never mind that Kei eventually ends up with Kyousuke anyway.
Viewers who feel uncomfortable with Kuze and Mizuki's May–December Romance may even feel more uncomfortable when they learn that Kuze's English voice actor, Illich Guardiola, was arrested in May 2014 for having a relationship with a 16-year-old girl.
Chihiro Shindou's car accident when her sister Kei's English voice actress, Brittney Karbowski, would actually get involved in a car crash in 2010.