"I Was Reincarnated as a Mob Character in an Eroge, but I'll Dominate With My Skill Tree"

A certain high school student was hit by a truck on the way home and died. When he woke up, he found himself in the eroge fantasy game "Knights" that he had played before his death. It's unfortunate that he was reincarnated as a mob character, but as long as he doesn't fight against the Demon King, the Empire, and the Holy Kingdom, it should be fine, or so he thought—wait, the protagonist is gender-swapped (feminized)? Hey, isn't this the game where the world is destroyed if the protagonist doesn't fall in love? Are you sure this is okay?