Under the cover of night, Mi and her brother succumb to their forbidden desires. Her brother's cock twitches as he watches Mi pleasure herself, her moans filling the room. He can't resist joining her, their secret touches becoming more urgent. They explore each other's bodies, their breaths ragged as they try to stay silent. The risk of discovery only heightens their pleasure, leaving them hungry for more as they reluctantly pull apart, their first incestuous encounter leaving them yearning for the next part.