Spring For Uta [Final] [FallingDay]

A perfectly ordinary high school girl, Kaede Kato.
She has a best friend she loves and a boyfriend she adores.
She is very happy.
But… deep down, she always feels like something is missing.
That day, what she saw in the bathroom changed her.
Confronted with the trap of desire, will she be able to attain happiness, or will she end up completely controlled by her desires?