Kurumi is a shy and easily embarrassed high school girl with a strong imagination. Her girlfriend is a cool, iron-faced office worker, Ms. Yoroizuka, who doesn't show much emotion. In order to get the older woman to indulge in her, Kurumi tries all sorts of things to spoil Ms. Yoroizuka, but...?
I Want to Spoil Ms. Yoroizuka Rotten is a completed manga by Aoto Hibiki, first published in 2021. It blends romance, comedy and girls' love. You can read all 40 available chapters of I Want to Spoil Ms. Yoroizuka Rotten online for free on MangaPulse; the newest is Chapter 33.5, added 2023-12-24. The series is finished, so you can read it from start to end in one go.