"Boku ni Harem Sexfriend ga Dekita Riyuu" is an adult-oriented anime series that delves into explicit themes and mature content. As of my current knowledge, only Episodes 1 and 2 have been released. There is no information available regarding the release or content of Episode 4. The series introduces viewers to a narrative exploring themes of desire, relationships, and the complexities of human intimacy, depicted through explicit adult content.