What anime is popular right now

 I do not have access to real-time information, but based on my knowledge cutoff date of September 2021, here are some anime series that were popular at that time:

1. Jujutsu Kaisen

2. Demon Slayer: Kimetsu no Yaiba

3. Attack on Titan: The Final Season

4. My Hero Academia Season 5

5. Fruits Basket: The Final Season

6. Re:Zero − Starting Life in Another World Season 2 Part 2

7. The Promised Neverland Season 2

8. Haikyuu!! To The Top Part 2

9. Dr. Stone: Stone Wars

10. That Time I Got Reincarnated as a Slime Season 2

It's important to note that the popularity of anime can change over time, and new series are constantly being released. Additionally, the popularity of a series can vary by region and by individual preferences.