Mutsuko, Sei wo Tsukemasu!

Mutsuko Yamamori, the lone flower that brightens up the office. Secretly, she has a crush on her boss... But hang on, aren't her approaches a bit too extreme!? An age gap solved with virility-boosting meals! A fantasy-fueled, over-the-top office romcom dedicated to all the tired salarymen out there!

(Source: Kadokawa, translated)