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.
Then let me ask you this.
Dann sollte ich wohl besser anders fragen.
Entonces te lo preguntaré, si eso no 
era una broma buttaku, ¿qué era?
Bien, te lo preguntaré: si no era 
humor de pata negra, ¿qué hacías?
Comme tu voudras.
Então me deixa te perguntar uma coisa,