Nishinari-ku is a place in Osaka, Japan where lots of people live. It's like a big neighborhood with houses and buildings, like where you live. People go to school and work there, just like you go to school or your parents go to work. There are also lots of shops and restaurants where people can buy things and eat food.
However, Nishinari-ku is known as one of the poorest areas in Japan. There are many people who struggle to make enough money to live comfortably. This means that sometimes people can't afford things like good food or warm clothes. It's important to remember that everyone deserves to be treated with kindness and respect, no matter how much money they have.