Miss Kuroitsu from the Monster Development Department season 1 episode 6
Episode title: An Unsophisticated Soul Tormented by Powers Unseen Succumbs to Brimming Anger and Yearning to Manifest as a Malevolent Beast
Kuroitsu wants to create a special monster for Valentine's Day, but Akashic repudiates her lack of a proper feminine mindset. And so, the chocolate-making class begins!
