Arisa Ishikawa (石川 安里沙[1], Ishikawa Arisa, July 28, 1987[2] – June 11, 2009[3]), better known by her stage name Sumire (純恋), was a Japanese cabaret hostess and fashion model, who was known as a featured model on the popular gyaru fashion magazine Koakuma Ageha.

[5] Sumire immediately gained enormous popularity among Ageha readers[5] and began modeling for the non-Ageha scenes such as the Sendai Collection show.

[8] On June 10, 2009, when Gackt's single "Koakuma Heaven" was released, its cover featured Sumire along with other Ageha models such as Sayaka Araki and Sayo Hayakawa.

[4] She donated all the profits from the necklace which she designed and released on the Fancy & Co accessory company, and attended several charity events related to children with incurable diseases in May.

[4] After her death, her friends and fellow models founded a charity organization, "H=and Project", with the concept of "succeeding Sumire's willingness".