It is the fast food of adult animation: mass-produced, familiar, visually consistent, and engineered to deliver a very specific combination of tension (drama) and release (CG anatomy) without requiring any emotional investment in the characters as people.
To understand the whole, you must understand the parts. milftoon drama cg
Search for the studio's official site or aggregated adult comic platforms. To understand it: re-read Part 2 (the formula) and Part 5 (the psychology). Everything else is just different skin tones and couch colors. It is the fast food of adult animation: