Chapter 256: Adorable Little Mermaid - 13 After Secretary Song handed the little mermaid, who had gained at least three pounds, back to Doctor Xie, she prepared to return to her own work. Once she was certain Auntie Song had left, Yinyin wore a sour expression, not wanting to pay any attention to her father at all. Her father was truly wicked. Last time, she had clearly stated she wanted to lose weight. When she left home, he had talked a big game, saying he was letting her travel with that auntie…