Kazuma Yuda (Taiyu Fujiwara) and his twin sister Ichika (Hana Toyoshima) face unexpected challenges when Ichika becomes the target of Miyu Kurosawa (Yui Oguri), a relentless bully. Their salvation comes in the form of Sara Kiritani (Mizuki Kayashima), a mysterious transfer student who rescues Ichika. As Sara integrates into their lives, strange occurrences begin to multiply. The siblings' world becomes even more complicated when their father, a magazine editor-in-chief, starts investigating a cult leader facing execution. Caught in a web of mystery and suspicion, Kazuma and Ichika struggle to understand the increasingly bizarre events surrounding Sara and their family. This is a 2022 Japanese psychological thriller directed by Ko Kanai that explores the dark undercurrents beneath seemingly ordinary lives.