I don't have a definite answer. Maybe it'll come back when the storylines and art are ready for a new installment. Just stay tuned for any official announcements.
One of the most common SSDI back pay stories involves people who were in desperate financial situations while waiting for their SSDI claims to be processed. A friend of mine was disabled and couldn't work. He struggled to make ends meet, relying on the help of family and friends. When he finally got his back pay, it was a significant amount. He was able to not only catch up on bills but also upgrade his living conditions a bit. He bought some new furniture and a more comfortable bed, which really improved his quality of life. And he also set aside some of the money for future emergencies, knowing how difficult it had been without a stable income during the waiting time.
You could cook a special meal for them. If they love Italian food, for instance, you can spend time preparing a delicious three - course Italian dinner. Or perhaps you can offer to do some household chores for them if they are always busy. Like cleaning their house thoroughly or doing their gardening.
To be honest, I don't know for sure. Sometimes it might be feasible, but it often depends on the rights and regulations associated with that particular manhwa. You might want to look into the terms and conditions provided when you got it.