Akuyaku Reijou no Dere wa Ore Dake ni Barete Iru

Also known as: 悪役令嬢のデレは俺だけにバレている, 悪役令嬢が実は心が綺麗な良い娘であると俺だけが知っている。

by Hazuki Matsuo, Crosis

Our main character is reincarnated into the world of the otome game he was addicted to, with memories of his previous life intact. He has become the main character, Prince Claude, and he will go wild pursuing his favorite character, the villainess Lisha! The manga adaptation of the 6th Kakuyomu Contest ComicWalker Manga Award winner, Akuyaku Reijou ga Jitsuwa Kokoro ga Kireina Yoi Musumedearu to Oredake ga Shitteiru. (悪役令嬢が実は心が綺麗な良い娘であると俺だけが知っている。) (Source: Kadokawa, translated) Note: Includes two extra chapters.