Swallow is a Quanx ability in Denma.
Summary
The user is able to swallow the target.
Scarlet hair says the church want him to clean the elder up, and he swallows her.
Scarlet hair belches and says to Sunglasses that he hate cleaning up old people, and he knows it's his mission and all, but he doesn't want to swallow an old hag. Maybe the old people taste stale.