iON! (アイオン) is a ten-member female idol group. They were officially announced on April 20, 2025, and made their stage debut on May 22, 2025 @Spotify O-WEST.
Their tagline is "You and I, sharing a moment together." (私とあなたで、ひとつの時を。; Watashi to Anata de, Hitotsu no Toki wo.).
They're a part of the combined group HEROINES.
They are the sister group to iLiFE!.
Japan