A legal statement from the official Akechi Denki website:

There are NO successors to the Akechi name.

In the past there have only been two deshi

• Akechi Enka, a woman who has retired
• Akechi Raika, a women who will seize all activities after Akechi sensei's death

A scan from the SM Sniper magazine (Japan's largest fetish magazine) showing Akechi Denki and Osada Steve in a Akechi Denki feature.

Many thanx to Osada Steve for the neccesary translations.