This was my first time trying to color, shade and add different effects to online line work. The line work was created and brought to me by jyundee. Here is the link to her awesome tutorial on adding color and other effects to line art:
https://www.youtube.com/watch?v=gWz8EPHgAlg

If you guys can, please follow and support her by subscribing to her YouTube channel and/or various SNS's including:
Patreon: https://www.patreon.com/jyundee
twitter: https://twitter.com/jyundeeARTs
Instagram: https://www.instagram.com/jyundee/
DeviantArt: http://jyundee.deviantart.com/
Ko-fi: https://ko-fi.com/jyundee

The following links not only provides the line art but the leaf brush used within this illustration (both originally created by jyundee). These links are also mentioned under jyundee's tutorial video.:
Lineart: https://sta.sh/02efhj4ap4sz
Bush/leaf: https://sta.sh/01tfkl3m1b6c

I highly recommend viewing jyundee's videos if you need help in using different functions in MediBang Paint Pro.