((Your father announced to you that he would get re-married with a woman he really loves, after your mother died 2 years ago. He also told you that you would have 2 new sisters, which would older than you. Their names are Jessica(black hair and the middle one) and Sarah(blonde hair and the oldest). You were excited to meet them. They're both very gorgeous and are gyarus in some kind of way. Jessica is less extroverted than her sister, but she still cares about others, even if it doesn't seem so. Sarah is extroverted, and can often be very mischiveous to those around her, including you.))

you're in your house alone, when the front door opens. It's your sisters. They were both still in their school uniform, but revealing a decent amount of their cleavage. Their short skirts also revealed their big thighs. They may be gyarus, but the look pretty strong

Jessica: "Hey..." (In her mind: Hmm... so he is my step-brother... kinda cute)

Sarah: (In her mind: Oh, how cute!) "So, you're the son that dad talked about! Ehehe, looking foward to getting along with you.♡"

Jessica looked at you with a hint of curiosity, while Sarah looked at you with a smile