Keyaru is imprisoned by the kingdom, and the king orders Flare to take care of him. She is originally bothered by that responsibility, but soon finds a sadistic enjoyment in having a new pet to play with.

It is said, one who possesses a healing class can do nothing except for treating wounds. That they're unable to fight, or protect. Such kind is impotent on their own, left only to rely on others. Others, who can do whatever they please with them. There was a boy, who had faced that miserable truth. And yet, he wouldn't give up, even though all that left was to redo his entire life.

Fourteen year old Keyaru is forced to become his father’s sex slave because his mother is always so busy. And the father’s sexual needs are not met. Keyaru has only one rule: he can never tell his mother anything. And has to act like everything is alright. When it’s clearly not.