A journey through various film and television worlds, where the protagonist signs in to obtain benefits before experiencing the plot's highlights. Primarily focusing on ancient costume, wuxia, and xianxia worlds—classic and beloved ones with captivating elements—offering a nostalgic experience. Starting with Nirvana in Fire, the journey may include zombie and ghost films, classic wuxia and xianxia series such as the Zombie Mr. Wong film series, Detective Dee, A Chinese Ghost Story, Snow Goddess Dragon, The No. 1 Scholar, Water Margin, and The Mystic Nine. Along the way, the protagonist signs in, experiences, and levels up through battles.