Rin Suzune is a nine-year-old girl who, due to her parents' deaths, lives alone and runs her family's restaurant by herself. Since she is a child, she lacks the proper knowledge to cook good food and manage a business, so her attempts to make money are unsuccessful. To make matters worse, she is bullied in school for being poor! But through it all, Rin remains resilient. Although her restaurant's food is not the greatest, local residents are drawn to the establishment, hoping to lend Rin a hand because of her sincere nature.

Miss Black General is the villainous leader of RX, a secret organization bent on world-domination. Unfortunately, Miss Black General also has a huge crush on Brave Man, a costumed superhero dedicated to foiling RX's evil schemes, and she often mistakes his violent heroics for an overly enthusiastic form of flirtation. So how exactly is she going to to conquer the world when she can't even conquer her own feelings? And how will Brave Man respond to this odd twist? (Source: HoboP)

The premise of this gag manga spinoff is about three high school students: a young male student, his girlfriend and a third wheel who is a One Piece fanatic. Their names are similar to the Straw Hat Pirates and the group form a fan club dedicated to One Piece. (Source: One Piece Wiki)