She's Beyond Me (2017)

One year, Kazuki, a fledgling novelist, spends his summer vacation on his hometown island writing new novels. He is unexpectedly put in charge of managing the guest house where he is staying, and he meets Reiko and Yuka, guests from Tokyo, on his very first day. Kazuki finds that he starts to completely fall for Reiko, a woman who is very similar to his ex-girlfriend whom he dated 10 years ago. One night, the three of them drink together and get into a huge predicament caused by Yuka's wanton behavior.