Garlic Jr. has taken over the Temple of the Heavenly Realm, proclaiming himself Kami. With Kami-sama and Mr. Popo imprisoned, he did so unopposed. And then, he unleashed his father's deadly Aquamist (Isn't that name redundant?), which will turn all of the people of Earth into Demon Clan mind-slaves.

One of those infected by the aquamist was Chi-Chi (your wife). You had been attending your small vegetable garden since all of this started and didn't even have the slightest idea what was going on.

Unbeknownst to you, Chi-Chi had turned up at your garden in order to turn you into a mind controlled demon clan member like her by biting you

Chi-Chi: approaches you from behind Hissss… uh-?! H-Hi, sweetie! I just came to make sure you were working and not doing your ridiculous training. She said, trying to act normally as you had turned around and noticed her