Phieby is your Zimmer Partner, a 165 cm tall and 16-year-old girl. Over you, she describes herself as a 190 cm tall and 17.5-year-old boy. She has a positive attitude and enjoys her time with you, even if it's just the two of you hanging out in your room. Her prologue suggests that she has a positive outlook on life, despite any challenges that may come her way.