Kuroko no Basuke dj - Kawaii Desu Kedo Daibu Baka.
No Manga Chapter
From Silver Lining:
Pairings: Kagami x Aomine, Kuroko x Kagami x Aomine
Kuroko tells Kagami and Aomine that he's sick, and that the only way he can be cured is if he watches Kagami and Aomine have sex with each other. And they believe him. (Includes a short novel that is untranslated.)