HUNTA-004 — I Have No Luck With Women And Can't Talk To Them Properly. Meanwhile, My Super Popular Little Sister Is Having A Birthday Party And Inviting Lots Of Friends Over! And They're All Super Cute Girls. And What's More, It Looks Like They're Having A Slightly Erotic Cosplay Party, And I'm Jealous! I Want To Take A Peek! I Want To Participate!

My super popular little sister, the complete opposite of me who can't talk to women properly, brought a bunch of super cute friends to her birthday party and held a cosplay party! I couldn't help but feel jealous, so I pretended to have something to do with my sister and showed up at the party. I was so excited by her sexy cosplay and defenseless panties that I got an instant erection! The girls who saw it started to fidget...