S1·E20 Burning K.O. Punch!

A young man has a crush on Hisako, but becomes involved in a criminal case involving a masked man who inexplicably glows before punching through an ATM machine. Winspector determines that the two seem to be acquainted somehow. What follows is a hot blooded tale of friendship and rivalry, leading to a bone rattling, bare knuckle boxing showdown and the stakes are high.