Read Hime Koukan ～Otasaa no Hime ga Kareshi Koukan wo Goshomou na Ken～ Manga:
One couple; Oono Susa is a lover of novels and his girlfriend Amane Hatsune is a lover of manga. Another couple; Konohana Sakuya is a great cartoonist while his girlfriend Ebisu Miko is a cosplay goddess. These two otaku couples attend the same university and are part of the same circle. In a twist of fate, these four enter into a strange relationship after s more.. omeone in the group proposes swapping partners, creating an atmosphere of desire, fear, doubt, and deceit. Who will come out the worse from all of this?!