Monogatari Resonance: Satoru’s ‘Kai & Tore’ Earphones with 190+ Captivating Voices! Introducing the true wireless earphones, the ‘?(Kai)’ model and the ‘?(Tore)’ model, encapsulating the charm of Monogatari Series with approximately 190* originally recorded voices and sound tuning supervised by Kosaki Satoru! * add up to a total of the ‘?(Kai)’ model and the ‘?(Tore)’ model