Walking home from the train station last night, I stopped at every vending machine to see what had been attracted to the lights. This is a false blister beetle (“false longhorn” is the translation of the Japanese).

Xanthochroa?hilleriXanthochroa hilleri

Coleoptera: Oedemeridae (false blister beetles):
Xanthochroa hilleri
False blister beetle = ki-iro-kamikiri-modoki

Location: Munakata Common (map)