Sister Derby was pictured in a classroom, where she was expressing her love for education with pupils.

Sister Derby, also known as Deborah Owusu-Bonsu, is a Ghanaian socialite and model who is also known as Medikal’s ex-girlfriend.
The “African Mermaid,” as she is known on social media, updated her Instagram followers in a post about contributing things to a nearby elementary school.
Sister Derby was filmed instructing a young girl about how to write about herself in the video.