Use Face Fix
"Male monster" - Works stably and well. Sometimes it turns out huge.
"Male demon"/"Male robot" - Sometimes it gives strange results, but overall it is stable.
"Femboy" - doesn't always work reliably, but overall it's acceptable.
If you don't specify the specification, it will be a handsome, pumped-up man.

[Girl On Top] Str: 0.4-0.8
If the strength is reduced, the monster can be reduced to just a large man (sometimes not even very ugly).
Str 1.0-1.4 - gives a more pronounced Royo style. But with 1.2 the faces are blurred.

[Monster On Top] Str: 0.8-1.4
If the strength is reduced, the monster can be reduced to just a demonic orc.
Str 1.2-1.8 - gives a more pronounced Royo style. But with 1.4 the sex disappears.

If don't specify "Sex", the characters will simply hug erotically.
[Monster On Top] have "MonsterCouple" and "MonsterHug" for more romantic.

[Girl On Top]
Supports: "Anal", "Threesome", "Oral", "Cowgirl postion", "Straddling".
Relatively: "Handjob", "69", "Cuni" - the results may be strange.

[Monster On Top]
Supports: "Fellatio", "Handjob", "MonsterCouple", "MonsterHug".
Relatively: "69", "Cuni", "Anal", "Threesome" - the results may be strange.