Wrath and Lust recrute Envy (Idea for

A singal of a nearby location affected by Ragyo's machine has been notice lately, Wrath and Lust are sent to investigate
They discovery the singal is in a old mansión and they hear mysterious nice inside of a coffin, as Lust deduce that the energy may come from that
Asking her lover to do something, Wrath uses his powers to open up the coffin and look what's inside on it. The coffin breaks and releases a magical imp who was put to slumber in there for decades but now they are free
As a reward for freeing him, the mysterious imp offers his services to Wrath and Lust in whatever they need him. Curious of what they can do, the two Homunculis accept the imp, nicknaming they, Envy in the process