Gyaru Na Oneesan Wa Suki Desu Ka

• Dark Skin
• Incest
• Schoolgirl
• Twin Tail

The protagonist’s step-sister is invited to a house party but doesn’t have a partner because she is single. She invites her step-brother to act as her boyfriend just for the night so she can attend the party. But things get out of control and our protagonist starts feeling aroused around his sister.