I'll engrave it on you, Satori Sano.
Koki and Yui, who work at the same company, are in a secret office romance. Yui wonders why Koki is such a contrast to her shy self... Even now, three months later, their relationship remains platonic, and Yui is unsure of their relationship. Feeling anxious, she consults a male friend, but Koki sees her. Koki, who misunderstood and became jealous, violently pushes Yui down as if she were a different person...!