About This Trend
無限列車 refers to a Japanese anime film titled "Kimetsu no Yaiba: Mugen Ressha-Hen" or "Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train". This trend is about the anime film, specifically the "Mugen Train" arc, which is part of the popular "Demon Slayer" series. It's currently popular on social media because of the upcoming re-release of the film and the ongoing hype surrounding the series, which has been gaining traction since its initial release in 2020.