Q: How come that humanoid-monster has human breasts? And very big ones.

* Frisk, my sunshine, can you help me out? Bring pencils and paper with you.

* When monster-boy meets monster-girl and they love each other

* Magic happens *

* And monster-baby appears!

* And to raise a healthy baby, monster-mom feeds the baby with their milk.

* And size is being managed by her.

> mother nature

* Wha?

* And then baby dies and father begins to kill children!

* Mom?

* Good job, honey.