Rai Rai no Mi

Introduction
The Rai Rai no Mi is a paramecia type devil fruit that turns those who eat it into living lie detectors.

Appearance
The Rai Rai no Mi looks like a white watermelon, with pure black swirls.

Usage
The user can detect lies with immense accuracy.

Strengths
The user's senses become heightened to the point where they can detect subtle movements in other's faces, posture, body language etc. These senses don't just apply in interactions between people, so they can be used in other situations.

Weaknesses
The user suffers from standard Devil Fruit weaknesses. It is up to the user's discration to decide if someone is lying or not, as the fruit does not make them infallible. Incredibly good liars can get by the Rai Rai no Mi.