Wait,i dont understand. President cheng is mumu's husband, right?

Yes. President yi cheng is mumu's husband. It just the president's name almost the same? ╮(￣▽￣)╭

Yes, president yi cheng is mumu's. The other president is li cheng who likes yiyuan. Actually if you see them more in detail, li cheng hair color is different and he is smaller than yi cheng