When I Reincarnated, I Was a Mid-boss Who Died Early in the Game ―Survive by Becoming a Household Member With Heroine―

When I woke up after an accident, I was reincarnated as a mid-boss destined to die in the early stages of the game! In order to avoid being killed by the hero who should come attacking soon, I will fight and make the women my subordinates to increase my allies!