A cross dressing one be a mouse trap?
Naur, a Trap Mouse.
Now if you meet a "Single Mouse near you" online, choose to meet at her house, get there and instead of the mousegirl a man named Chris Mousesan tells you to have a seat.....then you're in a mouse trap.
Catgirls are nice, but we need more cute mousegirls.
We need more non-standard mon musu period.
95% of fantasy has a cat girl somewhere. You even get a choice between furry and non furry models.
70% has a fox girl.
50% has a harpy.
50% has a dog girl.
30% has a bunny girl.
But maybe 10% spider girl with a 60% chance of her being a villain.
5% has a horse girl or cow girl.
3% has a mouse/rat girl and she has a 90% of being a thief or merchant.
1% you meet a sheep, goat or chicken girl (not harpy).
.5% has a horse girl that's NOT a centaur.
All the rest are usually only found in Mon musu themed works.
(Source: spinning dart board with random % on it)