Here is a concise summary of the provided transcript:
**Storyline Summary**
* A detective, "Diesel", is investigating a serial killer case in Neo Otaku City, with the help of a mysterious figure, "Joe".
* The killer, part of a group called "Toxic", is targeting "fake anime fans" and has taken two children hostage.
* Diesel negotiates with the killer, who is obsessed with anime and uses it to taunt the detective.
* The case is resolved, and the mayor is revealed as the mastermind behind the plot to attract new fans to the city.
* Diesel earns a promotion and considers leaving Neo Otaku City, but the transcript ends with hints of another case and an uncertain future.
**Meta Commentary Summary**
* The transcript also includes a post-episode commentary, thanking Crunchyroll for supporting the show, and encouraging viewers to support the platform.
* The creator reflects on the show's existence and invites viewers to tune in for the remaining episodes of the season.
Here are the key facts extracted from the text, excluding opinions and keeping each fact a short sentence with a number:
**Case and Plot Facts**
1. A group called "Toxic" has taken responsibility for killings that have claimed three lives.
2. Two kids are trapped by a serial killer, likened to a scenario from "Grave of the Fireflies".
3. The serial killer is also a participant in an online game, "Solitaire Art Online".
4. The game has a rule: if you die in the game, you die in real life.
5. Failure to complete the game within 45 minutes or attempting to remove the headset also results in death.
6. The protagonist is trying to find the serial killer to rescue the trapped kids.
7. The location of the kids is revealed to be Maidan Abyss.
**Character and Relationship Facts**
8. The protagonist (referred to as "Diesel" at some points) is a detective.
9. There is a character named Joe, who is or was the protagonist's partner.
10. The protagonist has a mentor or ex-mentor named Achilles.
11. The mayor of the city is revealed to be the main antagonist.
**Setting and Miscellaneous Facts**
12. The story involves two cities: Neo Otaku City and Prestige TV City.
13. The protagonist is offered a promotion to lead detective after solving the case.
14. The story is part of a season with at least 6 episodes, with this point being the halfway mark.
15. Crunchyroll is acknowledged as a supporter of the show's content.