(This has a pretty low success rate! I think it's because it's a complicated pose. Please be aware that there is a chance of failure!)
(It's based on noob, but it runs well on ilxl too)

basic:
<lora:majin_absorb_step4:1> majin_absorb_step4, slime \(substance\)

pose:
outstretched arms, evil smile

optional:
transformation, slime \(substance\) attack to girl, slime \(substance\) jump to girl, slime \(substance\) covered girl, etc.