Lin Yu, an ordinary shopkeeper, unexpectedly meets his biological young daughter when she comes looking for him and awakens a God-Tier Super Dad System. From then on, he runs his Happy Convenience Store while turning his life around and building his business with superpowered coffee and rare system products. At the same time, he embarks on a chaotic yet heartwarming journey of raising his daughter. Facing past romantic entanglements, business rivals, and life's many troubles, he works to earn money and support his family while wholeheartedly protecting his little girl, writing an uplifting story of a super dad making his comeback amid the warmth and bustle of everyday life.