童貞だけど悪役貴族に転生したのでハーレムを作る……はずだったのになぜか世界を救う聖人になってました（涙）

In his previous life, he died a virgin. In another world, he is reborn as Grave, the villainous noble of an eroge. Determined to build a harem, he soon remembers that Grave is destined to be killed just a few years later. Can he escape his doomed fate and create the harem of his dreams? A fantasy packed with action, fanservice, and harem antics begins! (Source: Ichijinsha, translated)