The Human Pheromone Alice is an Alice that allows the holder to manipulate other humans to do the holder's bidding. Additionally, any person within range of the holder, unless utilizing a Barrier Alice or a Nullification Alice, will find themselves instantly falling in love with holder. The holder is capable of controlling their Alice so that it may only affect a specific person.
Narumi has been noted to possess the strongest Human Pheromone Alice the academy has academy has ever seen, and possibly the strongest Alice without being a Limited/Life-Shortening ALice Shape. If Narumi has his Alice stolen, he will still ratain a majority of his powers and his Alice comes in a multitude of Alice Stones rather than a single one like many other Alice Holders.