현장에서 트레이너의 직접 훈련 No30 구속 로터 트레이닝

On the side of the road where someone might come, I tucked a rotor with a bell into my and anus and was left blindfolded. It is tied to a tree, so it cannot escape. When I couldn't see my surroundings with a blindfold, my body became even more sensitive. I faster than usual.