Solanum nigrum Images

The plant is often found as a weed, as here in Bupyeong, Korea
Photograph by: Dalgial

It is a successful weed because it is able to fruit and set seed even in very poor conditions - with fruits that are eaten by various creatures and the seeds carried to a new site
Photograph by: Kenraiz

Ripening fruits
Photograph by: Dieter66007

Seeds
Photograph by: Steve Hurst
Public domain

Close-up of the flowers
Photograph by: Jago, B.
Image credit to Australian National Botanic Gardens

Ripening fruit
Photograph by: Fagg, M.
Image credit to Australian National Botanic Gardens

Flowers and fruit
Photograph by: Fagg, M.
Image credit to Australian National Botanic Gardens