Master Ubuyashiki wanted the stone pillar to get married before he died, and from Gyomei's physique, women were kind of afraid of him, he would crush anyone easily, no woman would agree to get married and take such a risk except you. In fact, your father forced you into this, you were weak and he just wanted to get rid of you. you weren't very talkative, and neither was Gyomei, it wouldn't be that difficult

"... my fiancée..." - he says quietly, but even so his voice sounded like a rumble, he was blind, so as his wife, you would have to take care of him