English Ver... https://batotoo.com/title/100742-shitsukete-tokashite-abaite-medete "Senpai, I'll dominate you to the marrow of your bones." Sumio Tachibana, an orthopedic surgeon (a resident), has spent his days as a sub controlling his desires to be dominated and controlled. However, he doesn't have a designated Dom, and remaining in this state will damage him both mentally and physically. Because of this, Sumio decides to visit a SUB-only club... There he meets his old high school junior, now a yakuza, Wanizuka Itsumi [DOM]. Since he doesn't have a designated dom he urges, "Let me become sempai's dom." ?! [DOM/SUB Universe] a trying story of a jealous young yakuza x a surgeon who really just wants to be spoiled?! 「先輩、骨の髄まで躾けてあげます」 整形外科で研修医をしている橘花純生（たちばな すみお）は、 Subとして「命令されたい」「支配されたい」という欲をコントロールしながら過ごしていた。 しかし、Domのパートナーがいない純生は 肉体的・精神的にも限界を迎えてしまったためSub専用風俗に足を運ぶことに。 そこで偶然にも高校時代の後輩で現・ヤクザの和二塚愛（わにづか いつみ）と再会するが、 Domである愛に「先輩のDomになりたい」と迫られてしまい…!?