College Girl's Red Diary (2021)
Original title: 여대생의 빨간 일기
College Girl's Red Diary is a 2021 Korean-language romance movie directed by Ya Sin-soo, with a running time of 1h 23m. It stars Joo Ah, Sung Hye and Seung Ha.
Yoo Ni, a college freshman, goes on a blind date with Min Cheol, a senior. Though initially attracted, Yoo Ni later wants time apart. Her friend Hee Jin introduces her to Ah Ra, a skilled seductress, who trains Yoo Ni in sexual techniques.