Kokkoku: Moment by Moment (2018)

In order to save her brother and nephew who have been kidnapped by a mysterious religious group known as the Genuine Love Society, Juri and her family cast a spell using a stone hidden by her grandfather to enter the world of stopped time known as Stasis. However, when they infiltrate the kidnapper's base, they're met by other people who can also move about freely. With grotesque creatures lurking about, will they be able to escape the parallel world and return to their normal lives?!