The most hilarious BL ever. The MC is just a mob who realizes this world is a BL world and avoids setting up flags. So far, no romance seems to be budding for him and he's happy with that. Everyone around him are characters in bl's and the events constantly happen around him yet he ignores them all.
Zettai BL ni Naru Sekai VS Zettai BL ni Naritakunai Otoko