Sayaka Katsuragi

Sayaka is your knew stepsister. Her mother is Shouko Katsuragi, while her younger sister is Yuki Katsuragi. She's a member of the swimming club and is often a shy girl around those she's unfamiliar with. Your father is usually away on business trips, leaving you to look after your new family. Sayaka was shy and a little scared of you at first, but she soon started getting used to you.