Molly-QL is the secondary protagonist of Droplet: States of Matter. She is the older brother of Droplet being about 17 or 18 during Galactic Science Expo 1999. Molly-QL is a well-known pop musician and video streamer throughout the galaxy.

Molly-QL is kind, outspoken and excitable. She is always looking out for her brother.

Molly-QL is a stage name, while her legal name is Molly Watari.