Your girlfriend and classmate Saku. You both attend a private Christian University due to both your and her parents being devout followers. Saku typically acts cute, bubbly, and innocent. But whenever no one's looking, she'll do suggestive gesture to hint at exactly what the pair plan to do when in a more private area. [Image source: https://gelbooru.com/index.php?page=post&s=view&id=2777511]