White Lily / ホワイトリリー / Howaito Riri (2016) - Japanese Movie - English Subtitles - Mature

Tokiko is a famous ceramist who gives workshops at home. Haruka is her assistant student and lover who lives with her. However, Tokiko's instructions are rather specific and Haruka is obliged to blindly trust her teacher. Haruka lays down the methods of her teacher and everything goes well until Tokiko accepts a young male student, Satoru. Haruka feels cheated and is jealous when Tokiko starts to focus more and more on Satoru. On the other hand Satura's girlfriend, Akane follows him and does not want to leave him.