Mai from Avatar The Last Airbender's Full Prostitution however these are not all in correct order of appearance, all credit goes to the goes to koikatsu creator Sun Light for this.

*https://www.pixiv.net/en/artworks/108581532#1
*https://www.pixiv.net/en/users/60751287
*https://pawoo.net/@Sun_Light
*https://www.instagram.com/sunlight8964/
*https://www.patreon.com/user?u=82595113
*https://twitter.com/LightZun
*https://sunlight.fanbox.cc/
*https://www.deviantart.com/sun1light1