In a future where humanity clings to survival in the depths of the underground labyrinth, a spirited young girl named Memempu and her gruff father Gagumber embark on a perilous journey to the surface, a world only whispered about in legends. Their quest for answers and a taste of the unknown will lead them through treacherous tunnels, monstrous creatures, and the remnants of a lost civilization. Sakugan is a thrilling blend of sci-fi adventure, heartwarming family dynamics, and a touch of mecha action, all wrapped in a vibrant, stylized world that will leave you craving more.