Top 10 Thriller Anime of 2021
1. Link Click
In a corner of a bustling city, there is a small shop called "Time Photo Studio" operating as usual. Although the entrance looks abandoned, it's actually run by two men with special abilities: Cheng Xiaoshi and Lu Guang. In order to fulfil customers' requests, Lu Guang and Cheng Xiaoshi work together and use their special abilities to enter photos. However, things don't go as planned...
(Source: bilibili, translated)
Note: The final episode aired with a runtime of ~31 minutes.
2. ODDTAXI
The taxi driver Odokawa lives a very mundane life. He has no family, doesn't really hang out with others, and he's an oddball who is narrow-minded and doesn't talk much. The only people he can call his friends are his doctor, Gouriki and his classmate from high school, Kakihana.
All of his patrons seem to be slightly odd themselves. The college student who wants the world to notice him online, Kabasawa. A nurse with secrets named Shirakawa. A comedy duo that just can't catch a break named the Homosapiens. A local hoodlum named Dobu. An idol group that's just starting out named Mystery Kiss... All these mundane conversations somehow eventually lead to a girl who's gone missing.
(Source: Crunchyroll)
3. Re:ZERO -Starting Life in Another World- Season 2 Part 2
After learning more behind the Death Loop and Witches of Sin, Subaru vows to save Emilia and his friends from further doom.
(Source: Crunchyroll)
4. Vivy -Fluorite Eye's Song-
An AI named Matsumoto appears before Vivy, the world’s first autonomous humanoid AI. Matsumoto’s mission is to rewrite history together with Vivy, in order to stop the war between AI and humans that will happen one century later.
(Source: Funimation)
5. Moriarty the Patriot Part 2
The second cour of Yuukoku no Moriarty.
In the late 19th century, the British Empire nobility reigns while its working class suffers at their hands. Sympathetic to their plight, William James Moriarty wants to topple it all. Frustrated by the systemic inequity, Moriarty strategizes to fix the entire nation. Not even consulting detective Sherlock Holmes can stand in his way. It’s time for crime to revolutionize the world!
(Source: Funimation)
Note: The anime received a special premiere on Funimation on March 28, 2021.
6. WONDER EGG PRIORITY
This is the story of Ai, an introverted girl whose fate is forever changed when she acquires a mysterious “Wonder Egg” from a deserted arcade. That night, her dreams blend into reality, and as other girls obtain their own Wonder Eggs, Ai discovers new friends—and the magic within herself.
(Source: Funimation)
7. Super Crooks
One last heist. That's what they all say, right? Just one final score, and everyone can retire and take up fishing. Thing is, the jails are filled with super villains who thought the same thing, and got busted. But the Heat's in a jam. He's run up the kind of gambling debt that - if he can't pay it back in cash - will be paid in blood. Nobody wants to see the most beloved supercrook of all time rubbed out by the mob - especially his biggest fan, Johnny Bolt. And Johnny's got a plan to help the Heat and make all his buddies disgustingly rich at the same time. Unfortunately for Johnny's recruits, they have to head to Spain and rob the world's most notorious super villain blind. And that's where things get tricky.
(Source: Millar World)
8. Magia Record: Puella Magi Madoka Magica Side Story Season 2 -The Eve of Awakening-
The second season of Magia Record: Mahou Shoujo Madoka☆Magica Gaiden.
9. Ling Long Final Chapter
10. Higurashi: When They Cry - SOTSU
Sequel to Higurashi no Naku Koro ni Gou.