Hatsukoi Tensei Near-Death Goddess summary:

The reincarnation goddess, Ruri, falls in love at first sight with an ordinary boy, Kyoshirou Yosugi. Quickly abusing her authority, she reincarnates alongside him in the current world, intending to win his affection by offering him a cheat ability. However, she realizes that her powers can only be used during reincarnation. What fate awaits the man loved by the goddess of reincarnation...!?