What is the nature of student council president Ibuki hentai manga?

It's probably not something appropriate or mainstream. Hentai manga often contains adult or explicit content.

It's often depicted in a controversial or inappropriate way. The portrayal might involve elements that are not suitable for general audiences.

The student council president in this manga is often depicted as powerful and authoritative, but with hidden vulnerabilities.

It's a very inappropriate and potentially disturbing topic. This kind of manga often contains content that is not suitable for most audiences.

It's likely a story involving a succubus as the student council president in a naughty or adult-themed setting.

It's a genre of manga that typically contains adult and unconventional themes. Not suitable for general audiences.