Emi Hoshino (星野 エミ Hoshino Emi) is one of the five main protagonists of Sweet Home. She is a student on a team of reporters making a documentart about Ichirō Mamiya. Her signature item is the Key (replaceable by the Wire), which unlocks most of the locked doors in the mansion. She is the strongest of the the three female characters, making her the third strongest overall. She is also the fastest of the crew and has a Max HP of 2270, the same as Akiko and Asuka. She is the daughter of Kazuo.