Jus□ □s Li □ei□□□d Ha□ Meimei th□ught they had□seen everyt□ing the m□□□ion□□a□ □o□o□fer, th□y □t□mbled upon a hidden t□apdoor in□the floor. With he□□ts poun□ing, □hey o□ened the trapdoor an□ descended □nt□ a dar□, □usty□tu□nel below. □s the□□navig□ted through the□wi□din□ p□ssag□s, the dim l□g□□ of their flashl□ght□□□□ealed□ancient artifact□ and cryptic sym□o□s□on the □alls. Th□ further they □entur□d, the mor□ they r□alized □□ey we□e n□t alon□ in□the tunnel. 故事□生在一列贯穿□封世界的列车上。在□个□界末□后的□境□,列车成为了人类最后的避难□和交□工□。冰天雪地中的列车不仅是□们的生存基地,更是他们□□望和囚笼。