Tamaki, who was given a strange earring by one of the Orpheus Order's members, Pinochle, challenges Kaito to a Judgment Puzzle in which he must navigate an ever-changing maze. Nonoha deduces that Tamaki's change in personality is the result of her earring, which possesses the same properties as the Orpheus bangle. Tamaki uses the power of the earring to increase her brainpower, but Kaito manages to successfully solve the puzzle. As Kaito reaches Tamaki, her earring breaks, returning her to her senses while the Orpheus Order escapes.
| Title | Phi Brain: Puzzle of God - Season 2 Episode 2 Darkness of the Heart |
|---|---|
| Year | 2014 |
| Genre | Animation, Comedy |
| Country | Japan |
| Studio | NHK BS1 |
| Cast | Shintaro Asanuma, Kaori Shimizu, Jun Fukuyama, Mamoru Miyano, Daisuke Ono, Satsuki Yukino |
| Crew | Hirotaka Endo (Director), Youhei Sasaki (Character Designer), Akiko Inoue (Color Designer) |
| Alternative Titles | 神之谜, Φ Brain ～神之谜题, 神之谜题, Phi Brain: Kami no Puzzle |
| Keyword | anime, mysteries |
| First Air Date | Oct 02, 2011 |
| Last Air date | Mar 23, 2014 |
| Season | 3 Season |
| Episode | 75 Episode |
| Runtime | 25:14 minutes |
| Quality | HD |
| IMDb: | 7.40/ 10 by 7.00 users |
| Popularity | 77.017 |
| Language | Japanese |
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