Zettai Kunshu Shoukougun絕對君主症候群 ; 絶対君主症候群 ; Absolute Monarch Syndrome

Summary from: Pinoymanga Scans Kiriko and Takuto are both cousins. Often, they spend a lot of times with each other. What the people around them don't know (including their parents) is what transpire behind closed doors when the two of them are alone and in the same room...