The synopsis of which novel is "Loli Has Three Good Things"? In it, the pig's foot is called Merlin.

There are three good things about a lolita: clear voice, soft body, and easy to push down;

The three good things about a royal sister: beer, taking a bath, and eating young grass;

The three things about a queen : Trojan horse, candle, leather whip;

A married woman has three emotions: love, family affection, and extramarital affair;

A royal sister has three skills: obedience, dexterity, and skill in pushing;

Mature mothers have three things: squirting, blowing, and menstruation;

Teachers have three things: classroom, intercourse, and sitting in lotus pose;

Lin Feng said: Ambiguity is the king.

--The above content is excerpted from the preface of "The Girl Next Door Grew Up" by Liu Xiahui. I don't know if it is what you are looking for.

The pig’s trotters are Merlin’s. I don’t seem to remember much about it. It seems that the protagonist’s adoptive mother in the dancing “Hunter Country” is named Merlin.