Akuyaku Reijou no Dere wa Ore Dake ni Barete Iru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。; Akuyaku Reijou ga Jitsuwa Kokoro ga Kireina yoi Musumedearu to Oredake ga Shitteiru; Only I Know About the Villainess' Dere; Only I Know That the Villainess Is Actually a Good Girl With a Beautiful Heart; 唯我独占恶役千金的娇羞

The protagonist was reincarnated into an otome game as the first prince. He had played the otome game in his past life, and knew that the villainess was actually not evil and had lived an unlucky life. He searched for the route where the villainess was saved through all media, but he couldnt find it and gave up. But this time, he was determined to save her. --- **Original Web Novel:** [Kakuyomu](https://kakuyomu.jp/works/1177354054918169629), [Syosetu](https://ncode.syosetu.com/n3771gk/)