IENF-131 - My girlfriend's little sister is a sex-crazed devil!

*Riria Hyodo's cuteness and eroticism Also, I want people to know that in reality, she's a sweet and kind tsundere, but she's also a single-minded person (a delusion from the middle). Even if she's not the type of younger sister who wants to do things, if I had a younger sister like her, I'd definitely be better than her.