RENI sings Aimyon.

RENI has released a video of herself singing on the official MCZ Youtube website.
The song she sings is 'Futari no Sekai (means 'A world of two people')', one of the most popular songs by popular singer-songwriter Aimyon.

Aimyon is the same age as MCZ (she is one year younger than RENI).

The original video is also shown here. Let's listen and compare.