S1·E9 Nudity and Underwear Are All You Need.

Toki brings Itsuki the manuscript for the Mahou Academy manga. Itsuki was looking forward to what Kaiko had drawn because of her art quality, but there was a problem. Itsuki is unable to get over this problem and goes to confront Kaiko. Setsuna then shows up and has a manga battle with Kaiko on who will do the manga version of Itsuki’s book.