This is a temperature-sensitive mug that was sold at the Yowamushi Pedal and Gokurakuyu collaboration event(^^) This design features Hakone Academy's Yasutomo Arakita and Hayato Shinkai m(_ _)m If anyone is interested, please consider purchasing it m(_ _)m Title: Yowamushi Pedal Yowamushi Pedal / Character Name: Yasutomo Arakita Yowamushi Pedal / Character Name: Hayato Shinkai Item / Type: Mug