Ayume = player character in A Bellyful Life by Fierylion
Roxanne = best girl in Project Quimbly. This is a known fact.
Emmie, Clara van Damm = characters in Some Bullshit by Nerds1
Hazumi = player character in Hazumi and the Pregnation
Leah = main character of Seeds of Destiny by Preggopixels
Marie = main character of Marie's Adventure by No-Budget Developer/Dearonnus
Mikami = main character of Vitamin Quest / Vitamin Quest 2
Mina = character in Cause for Concern by Nerds1