While they're three was singing happily by they're transformation, suddenly the door was open again, it was emma big Brother Steven.
"Hey, i want to visit you until i heard someone singing in here, can you tell me what going on...!!!" Upon entering the room, Steven was shocked to see three mermaid was lying on the floor.
The three mermaid was shock at the same time seing a man see them in this form. "Oh... My... God!" Steven was close his mouth, disbelive by what he saw, a mermaid in front of him.
Suddenly, Steven body begin to tremble as he collapsed into the floor. The three mermaid emmideately drag they're body to see what's going on with Steven.
Steven body was trembling hard, as he feel all his body in immense pain. Suddenly, a beautiful melody come out from Steven mouth while he was moaning, making all the mermaid begin to orgasm following Steven cord.
Steven body turn to become more slender as his face become more feminin and his shirt are dissapear and once his flat chest begin to expand to a D-cup breast. His leg begin to joint and a red scales sprouted out from his feet, making it a beautiful red scarlet tail With a fin at the end of his tail. And lastly, his breast are now cover by a red seashells bra.
Steven then stop his moan, as he see that see was no longer "he", but now she. She was now turned into a sexy red tailed mermaid.
Emma who's been watching in pleasure the whole time approach her brother now sister. " Steven, i'm so sorry... " Before she Finnish her sentence, Steven suddenly blow a kiss to Emma. Emma was shock at first, and then begin to kissing her back. They're kiss was long and passionate andand; they're moan was erotic, as they're play with they're tongue and barely could keep they're hand off they're seashells.
"Why should you be sorry, i always want to become mermaid." Steven said as he starring her own tail in amazement. "Do you remember when we're still a kid, i always said that i want to be a mermaid too." Emma was gigling hear that, she was remebered her sister said that too her many time when they're still a kid.
"Well then, welcome to mermaid sisterhood, Scarlett." Said Jessica.
"Thank you. I love you all my sisters." All mermaid was laughing.