107SDJS-253 Research on giant dicks for better AI generation! The slender body convulses and orgasms with intense penetration reaching deep into the vagina! SOD female employee, Yuki Kurata of the design department

Recently, Kura-ta-san from the design department, who is knowledgeable about hot AI technology, has received a new investigation order! To reproduce a more realistic penis, we will have male actors cooperate and experience a big dick! Things that can't be understood by just observing need to be checked with the whole body by touching, licking, and fucking! That perverted Kurata seems to have enjoyed himself while claiming it was research…