[DeepL Translation - needs review] Her mother disappeared after leaving a letter saying she was going to commit suicide with a man. Two years later, 16-year-old Kaori is introduced to her father's lover, and by chance meets Yamagishi's son, who is believed to be her mother's suicidal lover. From that day on, a sense of disquiet begins to surround Kaori. A high school girl struggles to solve the intertwining mysteries in this feature-length suspense film.
(Translator: DeepL)
General thematic warnings: suicide, murder
Basic opening plot: A girl's mother runs off with another man and commits suicide. A few years later her father is considering remarrying, and she bumps into the son of the "other man".
Language notes and review: Nothing special for vocab aside from a very small number of plot specific words. Pretty standard grammar, I'd guess N3 would have you covered. Written in a very straightforward manner. This was actually easier than the other two 赤