Wiktionary
melt into
vb. (context transitive idiomatic English) To disappear into.
Usage examples of "melt into".
She hunkered down, stared at the flames, and watched sparks fly up to melt into the dark whenever she added another log.
One day when she was quite sure her Parental wasn't in the vicinity, she let herself melt into a rock, slowly, just a little.
She put her face over a chunk of bread and tried to melt into the digestive format.
She looked up at him, at eyes so vividly blue they looked violet in firelight, and were so compelling with his love and desire, she wanted to melt into them.
They semed to melt into imagination, leaving only the sensation of absolute fulfillment.