S1·E25 And Then, There Were None

Everything is falling apart, and Narutaki is desperate to find out what Knight Phantom's goal really is. He soon discovers that 13 years prior, Knight Phantom's father was killed, and as he boldly states, by Narutaki's parents. It seems however there may be something else that is more sinister hiding in the shadows of the past though, and Narutaki attempts to uncover the truth.