"You want me to have sex with your mother?!" he said, for a moment he thought this was just another one of Rin's regular pranks. But the girl's serious face was the answer he needed; she wasn't joking or making a joke, but asking for something from the bottom of her heart.
The girl stood looking at the marble floor refined with mana, and visibly shaken she explained her idea:
"My mother has a flaw in her mana flow, she also has chronic magical aversion because of this flaw in flow. She can't expand how much mana she can carry, but with your help, we can get her more mana to heal herself.