MIDE-658 [Uncensored Leaked] My girlfriend's tsundere sister is actually a doting girl!? Even though my girlfriend is right next to me, the devilish little sister, Mia Nanasawa, keeps teasing me with all her might.

My girlfriend's little sister has recently become attached to me. She's so cute and seductive, I'm at a loss for words... "Your boyfriend is so cool, he might be Mia's type." She shows me her underwear and touches my penis so my girlfriend won't notice... When we're alone, she becomes all lovey-dovey and clingy!! "It's okay! She hasn't noticed," she says, secretly opening her pussy and inserting it to appeal to me! I can't resist her devilish temptation, so we have sex over and over again!