Sumire Hoshino (or Perman # 3) is the deuteragonist in the series. Although Sumire is a girl, she is officially addressed as "Perman 3". However, her teammates call her "Pako". Her secret identity, which she never reveals even to her teammates, is a famous child star, who feels more free and comfortable as Pako.
Sumire Hoshino is a famous teen celebrity in the time of Nobita.
Sumire has the same appearance as in the Perman series; she has a brown hair and an orange headband. She has slightly medium hair and wears a different clothing. In "Stand by Me Doraemon", she has a black hair instead of brown. Her age in this series is older than her age in Perman series, which is 14.
In the episode, What a Scoop! Nobita and the Secret Date, when Nobita asks her who her favourite person is, she opens her necklace locket and shows him a picture of an adult Mitsuo Suwa, one of the Permans
