Ménage à 3 III: 47 Seconds Later

[snoopy13a]

If you can turn your monitor upside-down, panel 3 tells you that it's an "HITACHI Magic Wand", which is probably exactly what we're thinking it is.

Zii is going to become a stage magician?

Also, I'm not sure that the scene between Gary and Sonya actually is happening or is simply a visual description of what Yuki is telling Zii.