Long Wu

Boarding a ghost train that crosses between the world of the living and the world of the dead, a young traveler sets the stage for a premise that could go a lot of directions, and this ONA leans into the folklore side of things in a way that feels genuinely atmospheric. Based on a picture book, Long Wu builds out a supernatural setting where spirits inhabit a spectral railway, each one carrying their own stories and challenges. The protagonist has to navigate encounters with these beings, figuring out who to trust and when to stand their ground. It's less about raw combat and more about courage in situations where the rules aren't clear and the stakes feel personal. There's a weight to the world-building here — the boundary between life and death isn't treated as a gimmick but as something layered with mystery and emotion. The folklore elements give it a texture that reminds me of Mo Dao Zu Shi in how it weaves supernatural lore into character-driven moments. If you liked the atmospheric tension of Legend of Zu Mountain or the spirit-world encounters in Wu Xin: The Monster Killer, this hits a similar nerve but in a more condensed format. At just one episode, it doesn't overstay its welcome. The vibe is eerie, contemplative, and quietly tense — a ghost story told on a moving train where every stop could change everything. Worth the time if you're into supernatural fantasy grounded in rich cultural mythology.