Kojima-kun no Omou ga Mama

"So it was you all along, Kojima, you bastard!!!!" Ordinary high-schooler Satori suddenly finds himself being embraced by a guy as dirty delusions suddenly start flowing right into his brain! The source of those delusions turns out to be his handsome, top-of-the-class classmate, Kojima! In Kojima's mind, there's an image of Satori melting as a guy has his way with him from behind...! In order to stop Kojima's erotic delusions, Satori decides to become friends with him. As they get closer as friends, he suddenly gets pushed down and kissed!? Is this a delusion? Or...