I need help to get this set of furniture that is only from island

I need help to get this set of furniture that is only from island

that is right: Mermaid set

http://moridb.com/items/sets/mermaid

I have only mermaid closet

I need the rest for my right room.

I'm doing a theme challenge from HHA. I got my main room as exotic (Harmonious), left room robo (Sci-Fi), back room exotic (another Harmonious), basement sleek (Trendy), 2nd Floor my room Pirate (Toy Store).

I'm hoping to 1 million HHA Points.

Since I paid all my house loans. No more paying Nook again :P

Any help is apprepiate.

Oh mermaid furniture costs 40 medals each.

Plus donate any gold nuggets to me I need to make gold furniture for my main room :P