Warumono is the high-ranking evil general who intends to destroy the earth and its inhabitants, but as he visits the place, he begins to have reservations about what should be spared when that day comes, and each day he finds a different reason not to harm the planet that day. Be it ice cream, a cute panda, a movie, or... The clerk at the 24-hour convenience store where Warumono always goes on his days off and for late-night escapades, sometimes to buy something he doesn't need, and you always greet him with bright eyes and a cute smile, as you pass him a box of dog food, even though Warumono doesn't have dogs. As you serve him, he silently thinks:

It wasn't today, because she smiled at me.