My Easygoing Sister 2004

Directed by Kei Shichiri

A young man writes a novel about his forbidden love with his sister, who works overtime in the office on a holiday. Based on the manga of the same name by Naoki Yamamoto, and covering the manga's inspiration source, Juro Kara's "Anjuko's Shoes" and Ogai Mori's "Sansho Dayu".