ano...i just have a general idea about RYODA smut XD
since tat-chan was forbidden to continue boxing because the oculist said it would make his eyes worse. so he was disappointed and worried about his beautiful muscle. but ryo told him that there was a perfect way to do physical training and promised the exercise could make his hime get out of breath and covered with sweat~

u know what the exercise is right? *chuckle*