真冬の宿直室で汗だくエッチ～ほかほか湯たんぽJKいかがですか？

"It's too hot already…!!" A flushed body trembling at every touch… Made to come again and again to the point of feeling dizzy from the heat in a freezing cold night-duty room... (Source: Coolmic) Note: Originally serialized as a web manga under the same name with each chapter split into 3 ‘episodes’, resulting in a total of 27 episodes.