In the realm of anime and manga, the concept of succubi has been explored in various forms. "Oppai Succubus Academy" (often abbreviated as OSA) refers to a hypothetical or fictional setting where succubi, mythical creatures known for seducing men, are trained or educated. The term "oppai" is a Japanese slang term that roughly translates to "boobs" or is used to refer to a girl's chest, indicating that this academy might focus on more than just standard succubus training.
While the keyword "Oppai" suggests a focus on a specific physical trait, the character designers injected surprising depth into the heroines. oppai succubus academy