Takoyaki is a small bonus chapter between Chapter 23 and Chapter 24 of Kohei Horikoshi's My Hero Academia, which debuted in during Volume 3's publication.
Summary#
While patrolling the U.A. Sports Festival alongside Kamui Woods, Mt. Lady approaches a food stand and asks the vendor for a box of takoyaki. After hearing that the price is 500 yen, Mt. Lady tells him that she unfortunately doesn't have her wallet, and uses her sex appeal to get free takoyaki. It works, and the seller gives her the box for free, much to Mt. Lady's delight. Kamui Woods reproaches his partner for her attitude.