Takemiya Kotone (竹宮 琴音, Takemiya Kotone?), known as Philia (フィリア, Firia?) in «Sword Art Online» (SAO) and «ALfheim Online» (ALO), is one of the main heroines in three of the game adaptations of the Sword Art Online series: Hollow Fragment, Lost Song, and Hollow Realization. In Hollow Fragment, Philia was an orange player. In Lost Song, Philia is a Spriggan.