The four little ones said in unison, "Yes, we are real siblings!"
Baby Shen was puzzled, "But Daddy never told me I had a brother, duck."
Upon hearing this, Tang Little Second got annoyed, "He didn't tell you because... "
Tang Little Eldest tugged at the somewhat emotionally charged Tang Little Second and explained with a smile to Baby Shen, "That's because he wanted to give you a surprise."
Since Baby Shen loved Gu Shi, even calling him Daddy, speaking ill of Gu Shi now would only make her more resistant to them.
Baby Shen, hearing this, blinked her eyes, "A surprise?"
"Yep! If you don't believe me, I can call him right now and let him tell you."
Right in front of Baby Shen, Tang Little Eldest genuinely made a call to Gu Shi,
"Teacher Gu, it's Tang Little Eldest. I am at your house now, with Baby Shen."
Gu Shi was hurrying back and, upon hearing this, was shocked, "You've seen Baby Shen?!"