Gu Susu listened to the three people singing in unison, feeling a chill run down her spine.,Gu Susu looked up and saw Ivy, with her bright eyes and white teeth, typical "oxygen girl" aura, holding a two-year-old boy, slowly walking down from the second floor.,Gu Susu's heart was breaking, tears streaming down her face. It felt like someone had ripped a piece out of her soul.。