The Tiger in the White Coat is an Outstanding YakuzaHakui no Tora wa Gokudou de Zetsurin; 白衣の虎は極道で絶倫～闇医者ヤクザに毎晩溺愛されて…～; The Tiger in the White Coat is an Outstanding Yakuza; 백의의 호랑이는 절륜 야쿠자

I cant believe my virginity is being taken like this! Momo, a former track athlete, can no longer run due to an injury she sustained during her career. While her treatments arent progressing, Dr. Dan encourages her, saying, Lets overcome this together. Moved by his strong words, Momo begins to trust him, only to later discover that Dan is actually the underboss of a yakuza gang controlling the underground world! As soon as she learns his secret, he reveals his true nature, saying, After treatment, I need women to calm myself down. What she thought was a one-night fling turns into being loved deeply and passionately every day in ways she never imagined!