Kasane Shibata, a graphic designer at a toy development company, was feeling troubled. It began when she accidentally touched the buttocks of her colleague, Subaru Enokida. Kasane was intrigued, as Enokida's butt felt like the costume of her favorite character. But at the same time, she couldn't shake the feeling that she might have made Enokida felt uncomfortable. Enokida said that he didn't mind, but his face looked frightened and distressed... "I have to apologize properly!" Kasane thought to herself, not knowing Enokida was hiding something himself... (Source: Comic Ojigi, translated)