What are you on about? Mamamoo literally just announced they renewed their contracts for the next 2.5 years, and even Wheein who didn't renew with their agency signed an agreement to still be part of group activities until Dec 2023.
I don't know if you're new to kpop but this is how second renewals usually go, they sign for another 2 or 3 years, then they decide if they wanna add another 2/3 years and so it goes...no one renews for another 7 years the second time.