My Stepmom's Daughter Is My Ex: Volume 7 by Kyosuke Kamishiro

As a longtime wallflower, I never thought I’d join a club, let alone the student council. Yet here I am, surrounded by my capable fellow council members. My old self never could have done this, but I’m different. No longer am I the shy Yume Ayai—I’m the bold femme fatale Yume Irido. Okay, maybe I’m not quite there yet, but I’m working on it! I’m well on my way to becoming the type of girl Mizuto would fall for. His heart’s as good as mine!