: The inclusion of "Academy" suggests a school or educational setting, which is a common backdrop in anime and manga. This could involve students who are succubi, learning how to use their powers, navigate their demonic heritage, or dealing with everyday high school life.
However, there is a catch. Because Yuuichirou possesses a rare "Protean Spirit Core," every time a Succubus drains him, she doesn't just take energy—she gains a unique, permanent power boost. This makes him the most valuable student on campus. oppai succubus academy