|Shining Lie Detector|
|Kirakira Uso Hakken-ki|
|Shape||Oval shaped jewel|
|Light Novel||Nanana's Buried Treasure Light Novel Volume 1|
|Anime||Nanana's Buried Treasure Episode 2|
The collection appears as a smooth, round crystal with colors of blue making it appears like an eye.
The ability of the crystal is shown through looking through it. If a person telling you is a lie there will be a presence of dark aura around the liar, if not lying there will be nothing around the person.