A possible concise summary is:
The speaker tells a scary story about how she moved in with a girl named Tanya, who turned out to be a murderer and a psychopath. Tanya killed the speaker's boyfriend, Dima, and kept his body in her room, pretending that they were in love. She also tried to kill the speaker and her friend, Katya, but was stopped by the police. The speaker still receives threatening letters from Tanya, who is in a mental hospital. The speaker then invites the listeners to subscribe to her Telegram and VK channels, where she posts photos and videos of herself in different places.
Some possible facts extracted from the text are:
- The speaker's name is Elena Raitman and she has a YouTube channel with six million subscribers.
- The speaker rented an apartment from a girl named Tanya, who had a dirty and old apartment with a locked room.
- The speaker's boyfriend Dima was supposed to introduce her to his parents, but he canceled the meeting and broke up with her.
- The speaker found out that Tanya had killed Dima and kept his body in her room, pretending to be his girlfriend on the internet.
- Tanya was mentally ill and tried to attack the speaker and her friend Katya, who came to visit her from Moscow.
- Tanya was arrested and sent to a mental hospital, but she still writes threatening letters to the speaker.