City Where the Moon Does Not Rise

Ha-Jeong, an unhappy high school girl, is obsessed with a popular influencer known as "Daldalrun" — obsessed enough to have hacked into her home's smart video intercom to spy on her private life. One day, while watching, Ha-Jeong witnesses Daldalrun collapse and die on screen. The next day, she wakes up to find she has possessed Daldalrun's dead body.