12. Episode 12

2019 - Season 1

11. Spudio

2019 - Season 1

There was one famous riddle the Sphinx was known for, but there’s a new twist to the old classic. Here’s another riddle: Who is Spudio?

10. An Unbreakable Rule

2019 - Season 1

Out of all his friends, Shiroyama is the only one who seems not to have lost anything to the Black Sphinx. But soon the terrible truth comes bubbling to the surface…

9. Forfeit

2019 - Season 1

The Black Sphinx is a formidable foe. With the puzzles growing harder, the situation becomes grimmer. How will the group cope with this development?

8. The Black Sphinx

2019 - Season 1

Soshi’s students start digging into his past. Who is Shiro and what happened ten years ago?

7. A Hole in His Heart

2019 - Season 1

Soshi has grave concerns regarding the Sphinxes’ endgame. If that wasn’t enough, he’s also hiding an important secret from the others.

6. Tutoring for Tutoring

2019 - Season 1

5. A Masochist

2019 - Season 1

4. Pride

2019 - Season 1

Ryusei terrorizes the gardening club with demands for a specific plant. Junpei decides to help since, long ago, he and Ryusei used to be friends. Why are they so distant now?

3. Best Pals

2019 - Season 1

They failed. As a result, one of their own no longer exists. To prevent this from happening ever again, they must now sharpen their minds.

2. The Thing Most Precious to Me

2019 - Season 1

Tsuyoshi and Yurio have been friends ever since Yurio saved his life. But now? Tsuyoshi feels there’s something his friend is hiding and asks Junpei for help.

1. Brain-Blasting Genius

2019 - Season 1

It was just a rock. How was Junpei supposed to know it could talk? Now his classmates and teacher find themselves in another world facing a sphinx? What is this, an anime?