"Aozora no Namida" (青空のナミダ, "Tears of the Blue Sky") is Hitomi Takahashi's third single under the Sony Records label.
The promotional video for "Aozora no Namida" was directed by AT, and, like her previous two, was filmed at an unknown location.
The PV starts off with the main character of Blood+, Saya Otonashi, preparing to fight a Chiropteran.
Hitomi grabs the sword and kills the Chiropteran causing Saya to disappear with a smile.
The end of the PV features Hitomi walking out onto a cliff to view a city being ravaged by more Chiroptera, her eyes glowing red.