Kita-kun, Our Shared Love Episode 4

One day, Minami receives an invitation to a fancy restaurant. She's thrilled to receive it from Kita-kun, but on the day, her ex-boyfriend, Kifune Hauto, is there. Minami, who had been devoted to volleyball, suffered a serious injury in her third year of high school and was hospitalized. Her job offer to join a corporate team was also rescinded, shattering her dreams. Furthermore, Kifune Hauto, her boyfriend at the time, far from being there for Minami, suddenly disappeared, and we haven't heard from him since. Despite this, he suddenly reappears in front of Minami and proposes marriage. Nishino and Toko are thrilled when they hear the story, believing that Minami should marry Kifune Hauto, a global businessman and ultra-famous celebrity. However, Minami is furious at her ex-boyfriend's selfish behavior. Meanwhile, a mysterious letter claiming that Minami and her friends are living a promiscuous life together is delivered to their apartment building's mailbox, leading the residents to protest to the manager. Furthermore, a mysterious letter also arrives at Minami and the other three's workplace... (Source: Japanese = tver.jp || Translation = kisskh)