Because of the last choice Kanade made, a mysterious girl named Chocolat came falling from the sky. It appears that Chocolat has something to do with the curse of Absolute Choice that anguishes Kanade, so he lets her live with him in his house. It's then that Kanade recieves a mission on his phone: to make his classmate, Yukihira Furano laugh. Considering the fact that she's cold, shows no emotion, and has a sharp tongue, this isn't an easy matter.
With that being said, their existence 
itself can be considered a sin...
Man kann also sagen, 
dass ihre Existenz an sich Sünde ist...
Dicho eso, su sola existencia 
podría considerarse un pecado...
Así, su propia existencia 
podría considerarse un crimen.
C’est pour cela que son existence même
est considérée comme un crime.
Dito isso, a própria existência deles
pode ser considerada um crime...