OK K.O.! Let's Be Heroes

'''OK K.O.! Let's Be Heroes is an American cartoon series created by Ian Jones-Quartey'''.

Synopsis
OK K.O.! Let's Be Heroes is set in the retro-futuristic year of 201X. The series follows the titular character, K.O., and his efforts to become the world's greatest hero while working at Gar's Bodega (run by Mr. Gar), a hero supply shop in Lakewood Plaza. Alongside him are his best friends and co-workers Radicles, a narcissistic alien, and Enid, a levelheaded big sister-like ninja, as well as other heroes who work in the area.


 * Source: https://en.wikipedia.org/wiki/OK_K.O.!_Let%27s_Be_Heroes

Featured relative giantess

 * 1) She is a main character.
 * 2) She is a normal-sized human, therefore, she is not a natural giantess or giantess by default.
 * 3) In most of episodes of the following list, she is a relative giantess.