<p>Writing lewd thoughts about the adored student council president into a notebook is student council secretary - Kumozawa Koiko. These thoughts were supposed to be a secret, but... StuCo president's younger sister, Nika, stumbles upon the notebook one day?!<br/>It's a start of a comedy where MC becomes a toy for her loved one's younger sister.<br/><br/>(Note: translated from official description)<br/><br/>https://comic.pixiv.net/works/4811</p>
