Take Grandma to Conquer the Devil

She is nineteen years old, she is super strong, and she is my grandma! ——Bringing the "girly grandma" into the devil's cave, this style of painting is not right no matter how you think about it! In the end of the world, monsters are rampant? The Taoyuan world collapsed, and the three demons overwhelmed it? Don't be afraid, my grandma is awake! It's just... She looks younger than me? The heroic orphan Shen Xiaoxing is guarding a dilapidated old house and is heavily in debt. He dreams of sword fighting in the world but only knows three-legged cat kung fu. The biggest crisis is that a group of bodybuilding gangsters nearby come to collect debts. Until he smashed the ancient sword handed down from his ancestors and summoned a young girl's spirit who claimed to be his grandmother...