Xiao Fei would have been cute if not for the connotation which if following Mandarin would be pretty rude. lol
In Cantonese it could be endearing nickname but if I remember to correctly, Mandarin would use to word "pang" instead when referring to people being plump.
Wow, why not just come out and say we want a puppet king.
A kid showing interest and progress in his class leads to throwing out the only reliable family he has left. Just ugh.