Based on the picture you have shared and the history you have given, it looks like you have under eye bags, though at your age these are not common. The probable reason could be hereditary (someone in your life may have had similar issue at same age), inherent tendency of your eyes to develop these bags. The other reasons could be water retention tendency in your body.
Next Steps
There are treatments available for this and we, as oculoplastic surgeon, treat them quite regularly. Please book an online consultation with us at Clinica Fai and we will be happy to provide a treatment plan and next steps.