Kind and beloved Doctor Takakura silently suffers from performance issues. After a night in the nap room where he has to share a bed with his loose, arrogant-yet-skilled surgeon and medical school rival, Date, his lower half begins to change... but he doesn't want to acknowledge that Date is responsible. This is a competitive love story between two men who check all the boxes. Includes two stories: one about a doctor and a surgeon, and a one-shot about a physician and a popular TV announcer.

(Harudaki's summary)
Volume 1:
Takakura is a gentle, kind internist who is adored by the patients, but he’s secretly troubled by his erectile dysfunction. Surgeon Date, his rival from medical school time, is capable but arrogant, and undisciplined in relationships. When he spent one night with Date in a one-bed nap room, a strange phenomenon happened to Takakura’s lower body… But he doesn’t want to admit the reason was because he was embraced by Date?!!
A bickering love story between doctors who know everything about a man’s body.

Volume 2:
Takakura and Date have been rivals since university times, but after curing each other’s problems – erectile dysfunction and insomnia – now they’re lovers! At first, Takakura resisted being on the receiving end, but under Date’s relentless pursuit, both his feelings and body are satisfied every day ♥ However, Date’s cousin Kazuma came and freeloaded in Date’s house, so the time these very busy doctors can spend together dramatically decreased. Date wants to disclose their relationship, but Takakura wants to continue to the bitter end the pretense that they’re just roommates…?! “There’s no way I can jeopardize this guy’s future.”