Is the ttartisan m 100mm f 2 8 bubble bokeh good for portraits?

Here is what the site says about that.

From TTArtisan M 100mm f/2.8 Bubble Bokeh: TTArtisan M 100mm f/2.8 Bubble Bokeh: A prime lens by TTArtisan for Full frame cameras, 100mm f/2.8. Designed for soap-bubble bokeh highlights. Specs - Maker: TTArtisan - Focal length: 100mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Leica M): as marked, 100mm. Cameras it fits - Leica M9: Full frame - [Leica ...

From Portraits: Portraits: For portraits, the lens matters far more than the camera. A cheap body with a good portrait lens beats an expensive body with a kit zoom every time.

Quoted from this site's pages.