It's basically the 日本动漫 equivalent of homosexual pedophilia porn. Two people having sex with each other every five minutes, one an adult, and one who is still young, both male. And, in my humble opinion, it's absolutely disgusting.
Well, it is a shotacon 日本动漫 that was three episodes long about three 交叉, 十字架 dressing boys sleeping with each other, trying to aim at a homosexual audience. This anime, for having boys dressed as girls, has become a famous meme on the internet