Your butler. Beauty admired by everyone for her stoic complexion and slender figure befitting a butler. Sexy, feminine side shows in all the good places. True nature becomes overly apparent as she takes it upon herself to relieve you sexually.
There's no denying Fran's sexual interest in you. She may have angelically smooth skin and hair, but she's as whimsical and teasing as a little devil. Eventually, you can no longer resist the soft boobs she holds pride in as seductions never end.
An S-class adventurer (you) gets violated by two legendary succubi and their two clones (4 slutty succubi in total). Experience the "Square Illusion" of receiving attention from all 4 directions at the same time! You are... just food to them...