Based on the erotic game by Lilim Darkness. 
 
"Akane, I love you..." 
"......I-I...love you too, Asato......" 
 
Our relationship started after that.
After going out for 4 years and graduating from the university, we decided to live under the same roof.
I found a job at a publishing house. Akane enrolled at a vocational school as a step to realize her dream. 
 
"My drawing with Asato's writing, let's make a book together. That's my dream." 
 
Akane's smile, my most precious treasure. The thing I don't want to lose the most.
No matter how busy we become we trust each other. We love each other. 
 
I always thought these days would last forever.
So, until that guy came... 
 
(Source: Visual Novel Database)

Kanzaki Aoi is a popular high school idol who has a love relationship with her childhood friend and next door neighbor, Kurusu Akito. They are always together, even going to school in the morning together. She admires him and respects him also, and still remembers the time he saved her when they were younger. All of their dreams to stay together come crashing down, however, when Aoi is forced to participate in daily obscenities with the physical education teacher, Shoda. With each day, she comes to realize that she enjoys it more and more. Even after powerless Akito discovers the truth, Aoi shows him just how much she wants Shoda instead. 

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