Shibou Flag wa Chikara de Heshiore! Eroge no Akuyaku ni Tensei Shita node, Gensaku Chishiki de Musou Shiteitara Harem ni Natteimashita

The protagonist is reborn as Titan, a villainous noble in the bishoujo game Gakuen Kagurazaka, which he played extensively. In the original game, Titan is a noble with no sword skills or special abilities and is fated to die in all story routes. However, he now possesses full knowledge of the game's world and story. Using this knowledge, he works to avoid his predetermined death and create a new path. As he navigates the world and avoids his usual fate, he unexpectedly finds himself forming a harem with several female characters, including a cheerful princess, a reserved maid, and a small but kind school nurse. The story follows his efforts to use his understanding of the game to change his destiny and avoid the villain's usual tragic ending.